Internal Combustion Engine

faadooengineers.com

- April 17, 2013

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# Description

This unique application is for all students across the world. It covers 119 topics of Internal Combustion Engine in detail. These 119 topics are divided in 4 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. INTRODUCTION OF I.C. ENGINE

2. I.C.ENGINE SELECTION CRITERIA

3. CLASSIFICATION OF I.C.ENGINE

4. COMPONENTS OF ENGINE

5. NOMENCLATURE & MATHEMATICAL FORMULAE

6. 4-STROKE ENGINE OPERATING CYCLES

7. 2-STROKE ENGINE OPERATING CYCLES

8. ENGINE IDENTIFICATION

9. DIEEFERENCE BETWEEN 2-STROKE AND 4-STROKE

10. ENGINE ARRANGEMENT

11. ENGINE LOCATION

12. VALVE TIMING DIAGRAME

13. VALVE TIMING DIAGRAME FOR 2-STROKE AND 4-STROKE

14. CYLINDER ARRANGEMENT

15. FIRING ORDER I.C. ENGINE

16. AIR STANDARD CYCLE

17. OTTO CYCLE

18. DIESEL CYCLE

19. DUAL CYCLE

20. DIFFERENCE BETWEEN ACTUAL DIESEL AND THE OTTO ENGINES

21. CARNOT CYCLE

22. ASSUMPTION OF AIR STANDARDS CYCLES

23. COMPARISION BETWEEN OTTO,DIESEL AND DUAL CYCLE

24. STIRILING CYCLE ( REGENERATIVE CYCLE)

25. COMBUSTION IN I.C. ENGINES (S.I)

26. COMBUSTION IN I.C. ENGINES (C.I)

27. AIR STANDARDS EFFICIENCY OF OTTO CYCLE

28. MEAN EFFECTIVE PRESSURE OF OTTO CYCLE

29. AIR STANDARDS EFFICIENCY OF DIESEL CYCLE

30. MEAN EFFECTIVE PRESSURE IN DIESEL CYCLE

31. AIR STANDARDS EFFICIENCY OF DUAL CYCLE

32. MEAN EFFECTIVE PRESSURE OF DUAL CYCLE

33. CARNOT CYCLE ANALYSIS

34. ASSUMPTIONS OF THERMODYNAMIC CYCLES

35. AIR STANDARD CYCLES THEORTICAL ANALYSIS

36. FUEL - AIR CYCLES

37. VARIABLE SPECIFIC HEAT

38. LOSSES DUE TO SPECIFIC HEAT

39. DISSOCIATION OR CHEMICAL LOSS

40. LOSSES DUE TO DISSOCIATION

41. THE ACTUAL CYCLE

42. EFFECT OF THROTTEL OPENING

43. EFFECT OF SPARK TIMING

44. ENGINE PERFORMANCE

45. TESTING OF INTERNAL COMBUSTION ENGINE

46. MEASURMENT OF ENGINE TORQUE AND POWER

47. ADVANTAGES OF MPFI

48. ALTITUDE, HUMIDITY, AND AIR TEMPERATURE

49. BASIC FUNCTIONS OF CARBURETOR

50. CARBURETOR ADJUSTMENT

51. CARBURETOR PRINCIPLES

52. COMPONENTS OF CARBURETOR

53. COOLING SYSTEMS IN ENGINE

54. ENGINE COOLING SYSTEM

55. ENGINE LUBRICATION & COOLING SYSTEMS

56. ENGINE LUBRICATION SYSTEM

57. EXPLODED VIEW OF CARBURETOR COMPONENT

58. FATTY ACID METHYL ESTER (FAME)

59. FOUR-STROKE ENGINE LUBRICATION

60. FUEL INJECTION SYSTEM IN I.C.ENGINE

61. LUBRICANTS AND LUBRICATION

62. MAIN COMPONENTS OF MPFI SYSTEM

63. MOTORCYCLE CARBURETOR THEORY

64. MULTI POINT FUEL INJECTION SYSTEM (MPFI)

65. OIL FILTERS IN FOUR STROKE ENGINE

66. OIL INJECTION IN TWO-STROKE ENGINE

67. RADIATOR AND RADIATOR CAP

68. REQUIREMENTS OF A DIESEL INJECTION SYSTEM

69. SENSORS USED IN MPFI

70. SPARK PLUG FACES

71. SPECIALTY LUBRICANTS

72. DRAFT CARBURETOR: CHOKE, FLOAT CHAMBER

73. ECONOMIZER SYSTEM

74. ACCELERATING SYSTEM

75. LOAD SYSTEM

76. THE BASIC SYSTEMS OF THE NATURAL-DRAFT CARBURETOR: IDLING SYSTEM

77. THE ESSENTIAL FUEL DELIVERY SYSTEMS OF CARBURETOR

78. THEORY OF OPERATION OF CARBURETION

79. TROUBLESHOOTING -- STARTING PROBLEMS ARE MOST COMMON

80. TWO-STROKE ENGINE LUBRICATION

81. TYPES OF ENGINE OIL

82. LUBRICANT CHARACTERISTICS

83. REGIMES OF LUBRICATION

84. SRIBECK CURVE

85. HYDRODYNAMIC LUBRICATION

86. PURPOSE OF LUBRICATION

87. ADVANTAGES AND DISADVANTAGES OF WATER COOLING SYSTEM

88. HISTORY OF SUPERCHARGING

89. HISTORY OF SUPERCHARGING

90. ADVANTAGES OF SUPERCHARGING

91. BLOWER SIZING & ENGINE MODIFICATIONS

92. COMPRESSOR

93. TYPES OF COMPRESSOR

94. TYPES OF AIR COMPRESSORS

95. AIR COMPRESSOR

96. VOLUMETRIC EFFICIENCY COMPRESSOR THEORY

97. SURGING IN COMPRESSOR

98. STALLING IN COMPRESSOR

99. FLAME IONIZATION DETECTOR (FID)

All topics are not listed because of character limitations set by the Play Store.

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# Reviews

Helpfulness

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Rating

Helpfulness

All Versions

All Versions

Latest Version

1.0

2 total

5 0

4 0

3 0

2 0

1 2

Andrew James

Wrong "key"sent. Message. Won't even start.or open I should have believed the other reviews. Don't bother with this. Nothing opens.

Scott Soares

Doesn't Work.... Refund!!!!! Says key is wrong when I try to register.... Why don't you remove the registration and I'll give a better review until then Don't waste your dollar buying this app!!!

User reviews

faadooengineers.com March 27, 2014

Scott Soares,The registration issue has been resolved. If problem still persist, kindly mail us your details at apps@faadooengineers.com. We would be happy to help. # Additional information

Updated

April 17, 2013

Size

2.1M

Installs

50 - 100

Current Version

1

Requires Android

2.2 and up

Content Rating

Everyone

Permissions

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faadooengineers.com

Developer

Visit Website Email apps@faadooengineers.com Privacy Policy

ATMC,1497,3rd Floor,Bhardwaj Bhawan
Wazir Nagar,Kotla Mubarkpur
New Delhi
India
Pin Code: 110003

# Similar

## Internal Combustion Engine

In this app, we will learn how a four-stroke internal combustion engine works. The engine converts the energy of a fuel-air mixture into mechanical energy by burning it within a combustion chamber. The working of the engine has been explained through a video in a methodical way from the basic principles.

This app deals with the construction and working of a four-stroke internal combustion engine. The engine cycle, which consists of intake stroke, compression stroke, power stroke, and exhaust stroke has been discussed in great detail with the help of a PV diagram. The function of all the four strokes has been elaborately explained unambiguously. The role of spark plug, fuel-air mixture, camshaft, crankshaft etc. in the engine cycle has been explored to impart practical knowledge to the learners.

All this is supplemented by a comprehensive ancillary package carefully developed to revise and test whatever has been learnt before. This is done with the help of a quiz, key terms, the main image, and the links to other websites.

We have remained highly involved and have continually strived to build and improve on the concept development through our highly acclaimed visualization process. We have always favoured clearer explanations to the intricate problems without over-simplification.

We, at Designmate, help you learn science better.

Keywords: free,combustion,4 stroke,engine cycle,k12 content,chamber,thermodynamics,science animation, crankshaft,fuel

## Internal Combustion Engine-1

This unique free application is for all students across the world. It covers 119 topics of Internal Combustion Engine in detail. These 119 topics are divided in 4 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. INTRODUCTION OF I.C. ENGINE

2. I.C.ENGINE SELECTION CRITERIA

3. CLASSIFICATION OF I.C.ENGINE

4. COMPONENTS OF ENGINE

5. NOMENCLATURE & MATHEMATICAL FORMULAE

6. 4-STROKE ENGINE OPERATING CYCLES

7. 2-STROKE ENGINE OPERATING CYCLES

8. ENGINE IDENTIFICATION

9. DIEEFERENCE BETWEEN 2-STROKE AND 4-STROKE

10. ENGINE ARRANGEMENT

11. ENGINE LOCATION

12. VALVE TIMING DIAGRAME

13. VALVE TIMING DIAGRAME FOR 2-STROKE AND 4-STROKE

14. CYLINDER ARRANGEMENT

15. FIRING ORDER I.C. ENGINE

16. AIR STANDARD CYCLE

17. OTTO CYCLE

18. DIESEL CYCLE

19. DUAL CYCLE

20. DIFFERENCE BETWEEN ACTUAL DIESEL AND THE OTTO ENGINES

21. CARNOT CYCLE

22. ASSUMPTION OF AIR STANDARDS CYCLES

23. COMPARISION BETWEEN OTTO,DIESEL AND DUAL CYCLE

24. STIRILING CYCLE ( REGENERATIVE CYCLE)

25. COMBUSTION IN I.C. ENGINES (S.I)

26. COMBUSTION IN I.C. ENGINES (C.I)

27. AIR STANDARDS EFFICIENCY OF OTTO CYCLE

28. MEAN EFFECTIVE PRESSURE OF OTTO CYCLE

29. AIR STANDARDS EFFICIENCY OF DIESEL CYCLE

30. MEAN EFFECTIVE PRESSURE IN DIESEL CYCLE

31. AIR STANDARDS EFFICIENCY OF DUAL CYCLE

32. MEAN EFFECTIVE PRESSURE OF DUAL CYCLE

33. CARNOT CYCLE ANALYSIS

34. ASSUMPTIONS OF THERMODYNAMIC CYCLES

35. AIR STANDARD CYCLES THEORTICAL ANALYSIS

36. FUEL - AIR CYCLES

37. VARIABLE SPECIFIC HEAT

38. LOSSES DUE TO SPECIFIC HEAT

39. DISSOCIATION OR CHEMICAL LOSS

40. LOSSES DUE TO DISSOCIATION

41. THE ACTUAL CYCLE

42. EFFECT OF THROTTEL OPENING

43. EFFECT OF SPARK TIMING

44. ENGINE PERFORMANCE

45. TESTING OF INTERNAL COMBUSTION ENGINE

46. MEASURMENT OF ENGINE TORQUE AND POWER

47. ADVANTAGES OF MPFI

48. ALTITUDE, HUMIDITY, AND AIR TEMPERATURE

49. BASIC FUNCTIONS OF CARBURETOR

50. CARBURETOR ADJUSTMENT

51. CARBURETOR PRINCIPLES

52. COMPONENTS OF CARBURETOR

53. COOLING SYSTEMS IN ENGINE

54. ENGINE COOLING SYSTEM

55. ENGINE LUBRICATION & COOLING SYSTEMS

56. ENGINE LUBRICATION SYSTEM

57. EXPLODED VIEW OF CARBURETOR COMPONENT

58. FATTY ACID METHYL ESTER (FAME)

59. FOUR-STROKE ENGINE LUBRICATION

60. FUEL INJECTION SYSTEM IN I.C.ENGINE

61. LUBRICANTS AND LUBRICATION

62. MAIN COMPONENTS OF MPFI SYSTEM

63. MOTORCYCLE CARBURETOR THEORY

64. MULTI POINT FUEL INJECTION SYSTEM (MPFI)

65. OIL FILTERS IN FOUR STROKE ENGINE

66. OIL INJECTION IN TWO-STROKE ENGINE

67. RADIATOR AND RADIATOR CAP

68. REQUIREMENTS OF A DIESEL INJECTION SYSTEM

69. SENSORS USED IN MPFI

70. SPARK PLUG FACES

71. SPECIALTY LUBRICANTS

72. DRAFT CARBURETOR: CHOKE, FLOAT CHAMBER

73. ECONOMIZER SYSTEM

74. ACCELERATING SYSTEM

75. LOAD SYSTEM

76. THE BASIC SYSTEMS OF THE NATURAL-DRAFT CARBURETOR: IDLING SYSTEM

77. THE ESSENTIAL FUEL DELIVERY SYSTEMS OF CARBURETOR

78. THEORY OF OPERATION OF CARBURETION

79. TROUBLESHOOTING -- STARTING PROBLEMS ARE MOST COMMON

80. TWO-STROKE ENGINE LUBRICATION

81. TYPES OF ENGINE OIL

82. LUBRICANT CHARACTERISTICS

83. REGIMES OF LUBRICATION

84. SRIBECK CURVE

85. HYDRODYNAMIC LUBRICATION

86. PURPOSE OF LUBRICATION

87. ADVANTAGES AND DISADVANTAGES OF WATER COOLING SYSTEM

88. HISTORY OF SUPERCHARGING

89. HISTORY OF SUPERCHARGING

90. ADVANTAGES OF SUPERCHARGING

91. BLOWER SIZING & ENGINE MODIFICATIONS

92. COMPRESSOR

93. TYPES OF COMPRESSOR

94. TYPES OF AIR COMPRESSORS

95. AIR COMPRESSOR

96. VOLUMETRIC EFFICIENCY COMPRESSOR THEORY

97. SURGING IN COMPRESSOR

98. STALLING IN COMPRESSOR

99. FLAME IONIZATION DETECTOR (FID)

All topics are not listed because of character limitations set by the Play Store.

## Science #

Korea Digital develops new software, Science Sharp(Science#) which is collected and analyzed the data about the science experiment based on any Android devices.

Experience ScienceSharp for the future science class and smart education now which is simpler than ScienceCube and much stronger.

Experience ScienceSharp for the future science class and smart education now which is simpler than ScienceCube and much stronger.

Main functions of Science#

- You can analyze the real-time collected data from the sensor easily and exactly by an internal analysis function.

- It can be expressed the various kinds of form by collected data such as a graph, number or table.

Strong the new function of Science#

- Science# is an App analysis program which can be installed into all of Android-based devices. You can download the app from Google Market directly and apply it for Science Experiment.

- Science# is no longer required the use of cable. We remove the tangled cable between the interface and sensors so that students can do more exciting experimental activities through wireless connection environment. The students can increase their concentration for the experiment and easily experience the science experiment both indoor and outdoor.

- There are four contents and manuals of Science: Physics, Chemistry, Biology and Earth Science. Through applied those, students can understand the concept and experimental analysis simultaneously.

- Based on a non-stop system environment, the users do experiment with the applied contents in Science#. The students can write the report based on what they get an experimental result directly. The students record the collected data through the experiment and they understand the concept through the report. There are intensive activities and questions for the conceptional extension. The Students transmit the report to a teacher so that the teacher can provide quick feedback evaluating the report immediately.

- By one-touch, you can set up the most appropriate experimental environment automatically for the data-collection.

- There is an additional function for the Physics that is an automatic calculation based on the various formulas. When you select the formula, it is automatically calculated and drawn the graph.

- Based on a non-stop system environment, the users do experiment with the applied contents in Science#. The students can write the report based on what they get an experimental result directly. The students record the collected data through the experiment and they understand the concept through the report. There are intensive activities and questions for the conceptional extension.

- The Students transmit the report to a teacher so that the teacher can provide quick feedback of the report immediately.

There are various sub-programs in Science#.

- We select the important content and experiment in a science educational curriculum. The Students can use sub-program easily and change the windows by automatic switching-type slide.

- We add up the calculation function as well for the easy computation.

- In Augmented Reality camera function, the students can get an experience to see the sensor’s name and measured value on the screen at the same time when they do experiment. Therefore, we can expect a high learning effect for students and they check the result based on the different kinds of experimental conditions.

- Science# provides a contents authorization tool. Using the Add-in function of MS-Word, you can create experimental contents and report based on automatic setting for the data collection. The contents and reports are produced in this way in Science# so that anyone can create their own contents exclusively for Science# and use it easily.

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## Basic Electronics Engineering

This unique free application is for all students across the world. It covers 97 topics of Basic Electronics in detail. These 97 topics are divided in 5 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Introduction to Electronic Engineering

2. Basic quantities

3. Passive and active devices

4. Semiconductor Devices

5. Current in Semiconductors

6. P-N Junction

7. Diodes

8. Power Diode

9. Switching

10. Special-Purpose Diodes

11. Tunnel diode and Optoelectronics

12. Diode Approximation

13. Applications of diode: Half wave Rectifier and Full Wave Rectifier

14. Bridge Rectifier

15. Clippers

16. Clamper Circuits

17. Positive Clamper

18. Voltage Doubler

19. Zener Diode

20. Zener Regulator

21. Design of Zener regulator circuit

22. Special-Purpose Diodes-1

23. Transistors

24. Bipolar Junction Transistors (BJT)

25. Beta and alpha gains

26. The Common Base Configuration

27. Relation between different currents in a transistor

28. Common-Emitter Amplifier

29. Common Base Amplifier

30. Biasing Techniques for CE Amplifiers

31. Biasing Techniques: Emitter Feedback Bias

32. Biasing Techniques: Collector Feedback Bias

33. Biasing Techniques: Voltage Divider Bias

34. Biasing Techniques: Emitter Bias

35. Small Signal CE Amplifiers

36. Analysis of CE amplifier

37. Common Collector Amplifier

38. Darlington Amplifier

39. Analysis of a transistor amplifier using h-parameters

40. Power Amplifiers

41. Power Amplifiers: Class A Amplifiers

42. Power Amplifiers: Class B amplifier

43. Power Amplifiers: Cross over distortion(Class B amplifier)

44. Power Amplifiers: Biasing a class B amplifier

45. Power Calculations for Class B Push-Pull Amplifier

46. Power Amplifiers: Class C amplifier

47. Field Effect Transistor (FET)

48. JFET Amplifiers

49. Transductance Curves

50. Biasing the FET

51. Biasing the FET: Self Bias

52. Voltage Divider Bias

53. Current Source Bias

54. FET a amplifier

55. Design of JFET amplifier

56. JFET Applications

57. MOSFET Amplifiers

58. Common-Drain Amplifier

59. MOSFET Applications

60. Operational Amplifiers

61. Depletion-mode MOSFET

62. Enhancement-mode MOSFET

63. The ideal operational amplifier

64. Practical OP AMPS

65. Inverting Amplifier

66. The Non-inverting Amplifier

67. Voltage Follower (Unity Gain Buffer)

68. The Summing Amplifier

69. Differential Amplifier

70. The Op-amp Integrator Amplifier

71. The Op-amp Differentiator Amplifier

72. History of The Numeral Systems

73. Binary codes

74. conversion of bases

75. Conversion of decimal to binary ( base 10 to base 2)

76. Octal Number System

77. Hexadecimal Number System

78. Rules of Binary Addition and Subtraction

79. Sign-and-magnitude method

80. Sign-and-magnitude method:2s complement Representation

81. Boolean algebra

82. Basic Theorems & Properties of Boolean algebra

83. Logic gate

84. Symbols of logic Gates

85. Universal Gates

86. No associativity of NAND and NOR Gates: universal gates

87. Introduction of minimization using K-map

88. Two variable maps

89. Don't Cares condition

90. 5 variable Karnaugh Maps

91. Binary coded decimal codes(bcd)

92. Principle and types digital instruments

93. digital voltmeter

94. Cathode ray oscilloscope(CRO)

95. Cathode ray tube: CRO

96. Channel: CRO

97. Measurements with the cathode ray oscilloscope C

All topics not listed due to character limitations set by Google Play.

## Basic Electrical Engineering

This unique Free application is for all students across the world. It covers 108 topics of Basic Electrical in detail. These 108 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Few topics Covered in this application are:

1. Introduction of electrical engineering

2. Voltage and current

3. Electric Potential and Voltage

4. Conductors and Insulators

5. Conventional versus electron flow

6. Ohm's Law

7. Kirchoff's Voltage Law (KVL)

8. Kirchoff's Current Law (KCL)

9. Polarity of voltage drops

10. Branch current method

11. Mesh current method

12. Introduction to network theorems

13. Thevenin's Theorem

14. Norton's Theorem

15. Maximum Power Transfer Theorem

16. star-delta transformation

17. Source Transformation

18. voltage and current sources

19. loop and nodal methods of analysis

20. Unilateral and Bilateral elements

21. Active and passive elements

22. alternating current (AC)

23. AC Waveforms

24. The Average and Effective Value of an AC Waveform

25. RMS Value of an AC Waveform

26. Generation of Sinusoidal (AC) Voltage Waveform

27. Concept of Phasor

28. Phase Difference

29. The Cosine Waveform

30. Representation of Sinusoidal Signal by a Phasor

31. Phasor representation of Voltage and Current

32. AC inductor circuits

33. Series resistor-inductor circuits: Impedance

34. Inductor quirks

35. Review of Resistance, Reactance, and Impedance

36. Series R, L, and C

37. Parallel R, L, and C

38. Series-parallel R, L, and C

39. Susceptance and Admittance

40. Simple parallel (tank circuit) resonance

41. Simple series resonance

42. Power in AC Circuits

43. Power Factor

44. Power Factor Correction

45. Quality Factor and Bandwidth of a Resonant Circuit

46. Generation of Three-phase Balanced Voltages

47. Three-Phase, Four-Wire System

48. Wye and delta configurations

49. Distinction between line and phase voltages, and line and phase currents

50. Power in balanced three-phase circuits

51. Phase rotation

52. Three-phase Y and Delta configurations

53. Measurement of Power in Three phase circuit

54. Introduction of measuring instruments

55. Various forces/torques required in measuring instruments

56. General Theory Permanent Magnet Moving Coil (PMMC) Instruments

57. Working Principles of PMMC

58. A multi-range ammeters

59. Multi-range voltmeter

60. Basic principle operation of Moving-iron Instruments

61. Construction of Moving-iron Instruments

62. Shunts and Multipliers for MI instruments

63. Dynamometer type Wattmeter

64. Introduction to Power System

65. POWER TRANSMISSION AND DISTRIBUTION

66. Magnetic Circuit

67. B-H Characteristics

68. Analysis of Series magnetic circuit

69. Analysis of series-parallel magnetic circuit

70. Different laws for calculating magnetic field-Biot-Savart law

71. Amperes circuital law

72. Reluctance & permeance

73. Introduction of Eddy Current & Hysteresis Losses

74. Eddy current

75. Derivation of an expression for eddy current loss in a thin plate

76. Hysteresis Loss

77. Hysteresis loss & loop area

78. Steinmetzs empirical formula for hysteresis loss

79. Inductor

80. Force between two opposite faces of the core across an air gap

81. ideal transformer

82. Practical transformer

83. equivalent circuit

84. Efficiency of transformer

85. Auto-Transformer

86. Introduction of D.C Machines

87. D.C machine Armature Winding

88. EMF Equation

89. Torque equation

90. Generator types & Characteristics

91. Characteristics of a separately excited generator

92. Characteristics of a shunt generator

93. Load characteristic of shunt generator

94. Single-phase Induction Motor

All topics are not listed because of character limitations set by the Play Store.

## Automobile Engineering

This unique free application is for all students of Automobile Engineering across the world. It covers 188 topics of Automobile Engineering in detail. These 188 topics are divided in 5 units. Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

This USP of this application is "ultra-portability". Students can access the content on-the-go from any where they like.

Some of topics Covered in this application are:

1. THE AIR-CONDITIONING SYSTEM

2. The expansion valve system

3. THE FIXED ORIFICE VALVE SYSTEM (CYCLING CLUTCH ORIFICE TUBE)

4. THE COMPRESSOR

5. THE CONDENSER

6. THE CONDENSER

7. THE RECEIVER-DRIER/ACCUMULATOR

8. THE EXPANSION VALVE/FIXED ORIFICE VALVE

9. THE EVAPORATOR

10. ANTI-FROSTING DEVICES

11. BASIC CONTROL SWITCHES

12. THE BASIC THEORY OF COOLING

13. VAPOUR COMPRESSION REFRIGERATION

14. ALTERNATIVES CYCLES

15. INITIAL VEHICLE INSPECTION

16. TEMPERATURE MEASUREMENTS

17. PRESSURE GAUGE READINGS

18. CYCLE TIME TESTING

19. A/C SYSTEM LEAK TESTING

20. SIGHT GLASS

21. GLOBAL WARMING

22. THE OZONE LAYER

23. INTRODUCTION TO TRANSFER OF HEAT AND MASS TO THE BASE METAL IN GAS-METAL ARC WELDING

24. INTRODUCTION OF AUTOMOBILE ENGINEERING

25. HISTORY OF THE AUTOMOBILE ENGINEERING

26. TYPES OF AUTOMOBILES

27. LAYOUT OF AN AUTOMOBILE CHASSIS

28. MAJOR COMPONENTS OF AN AUTOMOBILE

29. FUNCTIONS OF THE AUTOMOBILE COMPONENTS

30. CLASSIFICATION OF AUTOMOBILE ENGINES

31. USE OF THE ENGINES

32. MERITS AND DEMERITS OF VERTICAL AND HORIZONTAL ENGINES

33. REASONS FOR USING SINGLE CYLINDER TWO STROKE AIR-COOLED PETROL ENGINE ON TWO WHEELERS

34. REASONS FOR USING MULTI-CYLINDER DIESEL ENGINE FOR COMMERCIAL VEHICLES

35. DIFFERENCE BETWEEN TWO-STROKE AND FOUR-STROKE CYCLE ENGINES

36. ADVANTAGES OF A MULTI-CYLINDER ENGINE FOR THE SAME POWER

37. ENGINE CONSTRUCTION

38. CYLINDER BLOCKS

39. CYLINDER LINER

40. CRANK CASE

41. CYLINDER HEAD

42. GASKETS

43. PISTON

44. PISTON RINGS

45. PISTON PIN

46. CONNECTING ROD

47. CRANKSHAFT

48. VALVES

49. PORT-TIMING DIAGRAM

50. FLYWHEEL

51. MANIFOLDS

52. ROLLING RESISTANCE

53. AIR RESISTANCE.

54. GRADIENT RESISTANCE

55. TRACTIVE EFFORT

56. GEAR BOX

57. TYPES OF THE GEAR BOX

58. MERITS AND DEMERITS OF GEAR BOX

59. GEAR SHIFTING MECHANISM

60. Transmission in Automobile

61. COMPONENTS FOR TRANSMISSION IN AUTOMOBILES

62. FUNCTION OF CLUTCH

63. MAIN PARTS OF CLUTCH

64. TYPES OF THE CLUTCH

65. UNIVERSAL JOINT

66. CLUTCH ACTUATING MECHANISM

67. FUNCTION OF STEERING SYSTEM

68. FRONT AXLE

69. CASTER ANGLE

70. CASTER ANGLE

71. CAMBER

72. TOE-IN

73. TOE-OUT

74. ACKERMAN MECHANISM

75. FUNCTIONS OF A BRAKE

76. CLASSIFICATION OF BRAKES

77. DISC BRAKES

78. FLOATING CALIPER BRAKE

79. POWER BRAKES

80. AIR BRAKE SYSTEM

81. HYDRAULIC BRAKES

82. TYPES OF THE STARTING MOTORS

83. GENERATOR

84. ALTERNATOR

85. LIGHTING SYSTEM

86. IGNITION SYSTEM

87. IGNITION TIMING

88. IGNITION ADVANCE

89. SPARK PLUGS

90. ELECTRONIC IGNITION SYSTEM

91. AUTOMOBILE BATTERY

92. LOW MAINTENANCE AND MAINTENANCE-FREE BATTERIES

93. HORNS

94. CLUTCH OPERATION

95. Types of clutch

96. Gearbox operation

97. Gear change mechanisms

98. Gears and components

99. AUTOMATIC TRANSMISSION: INTRODUCTION AND TORQUE CONVERTER

100. AUTOMATIC TRANSMISSION COMPONENTS

101. CONSTANTLY VARIABLE TRANSMISSION

102. DIRECT SHIFT GEARBOX

103. TRANSMISSION DRIVELINE- PROPSHAFTS AND DRIVESHAFTS

104. WHEEL BEARINGS

105. FOUR-WHEEL DRIVE

106. TIRE DESIGN

107. TIRE PLY AND BELT DESIGN

108. Tire Tread Design

109. TIRE RATINGS AND SIDEWALL INFORMATION

110. SPECIALTY TIRES

111. REPLACEMENT TIRES

112. Tire Valves

113. COMPACT SPARE TIRES

114. Run-Flat Tires

115. Tire Pressure Monitoring Systems

116. TIRE CONTACT AREA

117. Wheel Rims

118. Static Wheel Balance Theory

119. Dynamic Wheel Balance Theory

120. On-Car Wheel Balancing

## Electrical Instrumentation

This unique free application is for all students across the world. It covers 280 topics of Electrical Instrumentation and Process Control in detail. These 280 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Introduction to AC Electricity

2. Circuits with R, L, and C

3. RC Filters

4. AC Bridges

5. Magnetic fields

6. Analog meter

7. Electromechanical devices

8. Introduction to Basic Electrical Components

9. Resistance

10. Capacitance

11. Inductance

12. Introduction to Electronics

13. Discrete amplifiers

14. Operational amplifiers

15. Current amplifiers

16. Differential amplifiers

17. Buffer amplifiers

18. Nonlinear amplifiers

19. Instrument amplifier

20. Amplifier applications

21. Digital Circuits

22. Digital signals & Binary numbers

23. Logic circuits

24. Analog-to-digital conversion

25. Circuit Considerations

26. Introduction to Process control

27. Process Control

28. Definitions of the Elements in a Control Loop

29. Process Facility Considerations

30. Units and Standards

31. Instrument Parameters

32. Introduction to Level

33. Level Formulas

34. Direct level sensing

35. Indirect level sensing

36. Application Considerations

37. Introduction to Pressure

38. Basic Terms

39. Pressure Measurement

40. Pressure Formulas

41. Manometers

42. Diaphragms, capsules, and bellows

43. Bourdon tubes

44. Other pressure sensors

45. Vacuum instruments

46. Application Considerations

47. Introduction to Actuators and Control

48. Pressure Controllers

49. Flow Control Actuators

50. Power Control

51. Magnetic control devices

52. Motors

53. Application Considerations

54. Introduction to flow

55. Flow Formulas of Continuity equation

56. Bernoulli equation

57. Flow losses

58. Flow Measurement Instruments of Flow rate

59. Total flow and Mass flow

60. Dry particulate flow rate and Open channel flow

61. Application Considerations

62. Humidity

63. Humidity measuring devices

64. Density and Specific Gravity

65. Density measuring devices

66. Viscosity

67. Viscosity measuring instruments

68. pH Measurements, pH measuring devices and pH application considerations

69. Position and Motion Sensing

70. Position and motion measuring devices

71. Force, Torque, and Load Cells

72. Force and torque measuring devices

73. Smoke and Chemical Sensors

74. Sound and Light

75. Sound and light measuring devices

76. Sound and light application considerations

77. Introduction to Signal Conditioning

78. Conditioning

79. Linearization

80. Temperature correction

81. Pneumatic Signal Conditioning

82. Visual Display Conditioning

83. Electrical Signal Conditioning

84. Strain gauge sensors

85. Capacitive sensors

86. Capacitive sensors

87. Magnetic sensors

88. Thermocouple sensors

89. Introduction to Temperature and Heat

90. Temperature definition

91. Heat definitions

92. Thermal expansion definitions

93. Temperature and Heat Formulas

94. Thermal expansion

95. Temperature Measuring Devices

96. Thermometers

97. Pressure-spring thermometers

98. Resistance temperature devices

99. Thermistors

100. Thermocouples

101. Semiconductors

102. Application Considerations

103. Installation, Calibration & Protection

104. System Documentation

105. Pipe and Identification Diagrams

106. Functional Symbols

107. P and ID Drawings

108. Introduction to Instrument types and performance characteristics

109. Active and passive instruments

110. Null-type and deflection-type instruments

111. Analogue and digital instruments

112. Indicating instruments and instruments with a signal output

All topics are not listed because of character limitations set by the Play Store.

## Civil Engineering Basics

This unique free application is for all students across the world. It covers 61 topics of the Basics of Civil Engineering in detail. These 61 topics are divided in 4 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Accuracy of angle measurement

2. PRECISION MEASURING INSTRUMENTS

3. Definition of horizontal and vertical angles

4. Linear Variable Differential Transformer (LVDT)

5. COMPARATORS

6. ELECTRICAL MEASURING DEVICES

7. Potentiometer

8. Micrometers

9. Height Gauge

10. Stick Micrometers

11. Inside Micrometer

12. Field of civil engineering and their scope

13. Impact of Infrastructural Development on the Economy of a Country

14. Role of Civil Engineers

15. Importance of Planning, Scheduling and Construction Management

16. Introduction of Surveying and levelling

17. Equipment

18. Levelling procedures

19. Object and Uses of Surveying

20. Primary Divisions of Surveying

21. NON-PRECISION MEASURING INSTRUMENTS

22. Firm Joint Type

23. Measuring angles and setting out angles

24. Types and uses of compass

25. Bearing

26. Magnetic Declination

27. INSTRUMENTS AND PROCEDURES

28. Procedure of Measuring Bearing with Prismatic Compass

29. CALCULATIONS OF BEARING AND INCLUDED ANGLES

30. PRECAUTIONS AND ERRORS IN COMPASS SURVEY

31. Sources of Error

32. Levelling

33. Object and Uses

34. Terms Used in Levelling

35. Leveling Instruments

36. Methods of Levelling

37. Use of a Planimeter

38. Introduction to Global Positioning System,

39. Remote Sensing and Geographic Information System

40. Technical Components of Remote Sensing

41. Remote Sensors

42. Types of Construction Materials

43. Properties and Importance of Civil Engineering Materials like Stone

44. Importance of Civil Engineering Materials like Bricks

45. Importance of Civil Engineering Materials like Lime

46. Importance of Civil Engineering Materials like Cement

47. Ferrous and Non Ferrous Metals

48. Ceramic Materials

49. Timber

50. Sand

51. Aggregates for Concrete

52. Mortar and Concrete

53. Paints

54. GLASS & GLAZING

55. Plastics

56. Watershed Development

57. Water Requirements and its Conservation

58. Basic Introduction of Hydraulic Structures of Storage (Only Dams),

59. Role of Transportation

60. Elements of Traffic Engineering and Traffic Control

61. BOT & BOOT Projects for Highways

## Cryptography | Comp Sc Engg.

This ultimate free unique application is for all students of Computer Science Engineering studying Cryptography across the world. It covers 160 topics of Cryptography in detail. These 160 topics are divided in 4 units. Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

The USP of this application is "ultra-portability". Students can access the content on-the-go from any where they like.

Some of topics Covered in this application are:

1) Basics of Cryptography

2) Conventional cryptography

3) Key management and conventional encryption

4) Keys

5) Pretty Good Privacy

6) Digital signatures

7) Digital certificates

8) The OSI Security Architecture

9) Network Security

10) Types of attacks

11) Denial of service attack

12) Smurf Attack

13) Distributed Denial of Service Attacks

14) Security Mechanism

15) A Model for Network Security

16) Symmetric Ciphers

17) Classical SubstitutionTechniques

18) Classical Transposition Techniques

19) Rotor Machines

20) Steganography

21) Block Cipher Principles

22) The Data Encryption Standard

23) Differential Cryptanalysis Attack

24) Cipher and Reverse Cipher

25) Security of DES

26) The Strength of DES

27) Differential and Linear Cryptanalysis

28) Block Cipher Design Principles

29) Finite Fields

30) The Euclidean Algorithm

31) Finite Fields of The Form GF(p)

32) Polynomial Arithmetic

33) Finite Fields Of the Form GF(2n)

34) The AES Cipher

35) Substitute Bytes Transformation

36) Evaluation Criteria For AES

37) ShiftRows Transformation

38) AddRoundKey Transformation

39) AES Key Expansion Algorithm

40) Equivalent Inverse Cipher

41) Multiple Encryption and Triple DES

42) Triple DES with Two Keys

43) Block Cipher Modes of Operation

44) Cipher Feedback Mode

45) Output Feedback Mode

46) Counter Mode

47) Stream Ciphers

48) The RC4 Algorithm

49) Random Number Generation

50) Pseudorandom Number Generators

51) Linear Congruential Generators

52) Cryptographically Generated Random Numbers

53) Blum BlumShub Generator

54) True Random Number Generators

55) Key Hierarchy

56) Key Distribution Centre

57) Transparent Key Control Scheme

58) Controlling Key Usage

59) Confidentiality Using Symmetric Encryption

60) Link versus End-to-End Encryption

61) Key Distribution

62) Traffic Confidentiality

63) Prime Numbers

64) Fermat\\\'s and Euler\\\'s Theorems

65) Testing for Primality

66) The Chinese Remainder Theorem

67) Discrete Logarithms

68) Principles of Public-Key Cryptosystems

69) RSA Algorithm

70) Optimal Asymmetric Encryption Padding

71) Key Management

72) Distribution of Secret Keys Using Public-Key Cryptography

73) Diffie-Hellman Key Exchange

74) Example of Deffie Hellman algorithm

75) Key Exchange Protocols

76) Man in the Middle Attack

77) Elliptic Curve Arithmetic

78) Elliptic Curves over Real Numbers

79) Elliptic Curves over Zp

80) Elliptic Curve Cryptography

81) Elliptic Curve Encryption/Decryption

82) Security of Elliptic Curve Cryptography

83) Authentication Requirements

84) Authentication Functions

85) Message Authentication Codes

86) Security of Hash Functions and Macs

87) Secure Hashing Algorithm

88) Whirlpool

89) Whirlpool Hash Structure

90) Block Cipher W

91) The Nonlinear Layer SB

92) HMAC

93) CMAC

94) Digital signatures

95) Direct Digital Signature

96) Arbitrated Digital Signature

97) Authentication Protocols

98) Digital Signature Standard

99) The Digital Signature Algorithm

100) Kerberos

101) Kerberos Version 4

102) Kerberos Version 5

103) Kerberos Realms and Multiple Kerberi

104) X.509 Authentication Service

105) Obtaining a User\'s Certificate

106) Revocation of Certificates

107) Authentication Procedures

108) X.509 Version 3

109) Public-Key Infrastructure

110) Pretty Good Privacy

All topics are not listed due to character limitations imposed by Google Play Store.

## Material Science

This unique free application is for all students across the world. It covers 143 topics of Material Science in detail. These 143 topics are divided in 3 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. HISTORICAL PERSPECTIVE OF MATERIALS

2. ENGINEERING REQUIREMENTS OF MATERIALS

3. Classification of engineering materials

4. Organic and inorganic materials

5. Semiconductors

6. Biomaterials

7. CURRENT TRENDS AND ADVANCES IN MATERIALS

8. Advanced materials

9. Smart materials (materials of the future)

10. Nanostructured materials and nanotechnology

11. Quantum dots

12. Spintronics

13. Level of material structure examination and observation

14. Material structure

15. Engineering metallurgy

16. Selection of the materials

17. Atomic concepts in physics and chemistry

18. Atomic Structure: FUNDAMENTAL CONCEPTS

19. Atomic Structure: FUNDAMENTAL CONCEPTS

20. ELECTRONS IN ATOMS

21. THE PERIODIC TABLE

22. BONDING FORCES AND ENERGIES

23. Ionic Bonding

24. Covalent Bonding

25. Metallic Bonding

26. SECONDARY BONDING OR VAN DER WAALS BONDING

27. Crystal Structures: FUNDAMENTAL CONCEPTS

28. The Face-Centered Cubic Crystal Structure

29. The Body-Centered Cubic Crystal Structure

30. The Hexagonal Close-Packed Crystal Structure

31. CRYSTALLOGRAPHIC PLANES

32. CRYSTAL SYSTEMS

33. POINT COORDINATES

34. CRYSTALLOGRAPHIC DIRECTIONS

35. Hexagonal Crystals

36. Atomic Arrangements

37. CLOSE-PACKED CRYSTAL STRUCTURES

38. VACANCIES AND SELF-INTERSTITIALS

39. IMPURITIES IN SOLIDS

40. DISLOCATIONS - LINEAR DEFECTS

41. INTERFACIAL DEFECTS

42. Microscopic Examination

43. Optical Microscopy

44. Electron Microscopy

45. GRAIN SIZE DETERMINATION

46. Introduction to mechanical properties

47. CONCEPTS OF STRESS AND STRAIN

48. Compression Tests

49. STRESS-STRAIN BEHAVIOR

50. ANELASTICITY

51. ELASTIC PROPERTIES OF MATERIALS

52. Plastic Deformation

53. Yielding and Yield Strength

54. Tensile Strength

55. Ductility

56. Resilience

57. Toughness

58. TRUE STRESS AND STRAIN

59. ELASTIC RECOVERY AFTER PLASTIC DEFORMATION

60. HARDNESS

61. Rockwell Hardness Tests

62. Brinell Hardness Tests

63. Knoop and Vickers Microindentation Hardness Tests

64. Hardness Conversion

65. Correlation Between Hardness and Tensile Strength

66. VARIABILITY OF MATERIAL PROPERTIES

67. Computation of Average and Standard Deviation Values

68. DESIGN/SAFETY FACTORS

69. Phase diagrams-introduction

70. SOLUBILITY LIMIT

71. PHASES

72. PHASE EQUILIBRIA

73. ONE-COMPONENT (OR UNARY) PHASE DIAGRAMS

74. Binary Phase Diagrams

75. BINARY ISOMORPHOUS SYSTEMS

76. Determination of Phase Compositions

77. Determination of Phase Amounts

78. Equilibrium Cooling

79. Nonequilibrium Cooling

80. MECHANICAL PROPERTIES OF ISOMORPHOUS ALLOYS

81. BINARY EUTECTIC SYSTEMS

82. DEVELOPMENT OF MICROSTRUCTURE IN EUTECTIC ALLOYS

83. EQUILIBRIUM DIAGRAMS HAVING INTERMEDIATE PHASES OR COMPOUNDS

84. EUTECTOID AND PERITECTIC REACTIONS

85. CONGRUENT PHASE TRANSFORMATIONS

86. THE GIBBS PHASE RULE

87. THE IRON-IRON CARBIDE (Fe-Fe3C) PHASE DIAGRAM

88. DEVELOPMENT OF MICROSTRUCTURE IN IRON-CARBON ALLOYS

89. Hypoeutectoid Alloys

90. Hypereutectoid Alloys

91. THE INFLUENCE OF OTHER ALLOYING ELEMENTS

92. FERROUS ALLOYS

93. Low-Carbon Steels

94. Medium-Carbon Steels

95. High-Carbon Steels

96. Stainless Steels

97. Cast Irons

98. Gray Iron

99. Ductile (or Nodular) Iron

All topics are not listed because of character limitations set by the Play Store.

## Refrigeration & ACs

This unique free application is for all students across the world. It covers 143 topics of Refrigeration and AirConditioning in detail. These 143 topics are divided in 4 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. INTRODUCTION TO AIR-CONDITIONING SYSTEM

2. TYPES OF AIR-CONDITIONING SYSTEMS

3. CENTRAL SYSTEMS CLASSIFICATION

4. AIR-CONDITIONING PROJECT DEVELOPMENT AND SYSTEM DESIGN

5. DESIGN DOCUMENTS

6. PSYCHROMETRICS

7. PSYCHROMETRICS (MOIST AIR)

8. PSYCHROMETRICS (HUMIDITY AND ENTHALPY)

9. PSYCHROMETRICS (SPECIFIC HEAT)

10. PSYCHROMETRIC CHART

11. DETERMINING THE DEW-POINT TEMPERATURE OF A MOIST AIR SAMPLE

12. PSYCHROMETRICS CHARTS

13. PSYCHROMETRICS CHARTS (NUMERICAL PROBLEM)

14. AIR-CONDITIONING PROCESSES AND CYCLES

15. SPACE CONDITIONING, SENSIBLE COOLING, AND SENSIBLE HEATING PROCESSES

16. COOLING AND DEHUMIDIFYING PROCESS

17. HUMIDIFYING AND COOLING AND DEHUMIDIFYING PROCESSES

18. PSYCHROMETRICS (THERMODYNAMIC WET BULB TEMPERATURE AND WET BULB TEMPERATURE)

19. AIR-CONDITIONING CYCLE AND OPERATING MODES

20. BASIC AIR-CONDITIONING CYCLE - SUMMER MODE

21. DESIGN SUPPLY VOLUME FLOW RATE

22. BASIC AIR-CONDITIONING CYCLE - WINTER MODE

23. REFRIGERANTS AND REFRIGERATION CYCLES

24. REFRIGERANTS, COOLING MEDIUMS, AND ABSORBENTS

25. CLASSIFICATION OF REFRIGERANTS

26. CLASSIFICATION OF INORGANIC REFRIGERANTS COMPOUNDS

27. PROPERTIES OF REFRIGERANTS

28. IDEAL SINGLE-STAGE VAPOR COMPRESSION CYCLE REFRIGERATION PROCESS

29. REFRIGERATION PROCESSES IN AN IDEAL SINGLE-STAGE CYCLE

30. COEFFICIENT OF PERFORMANCE OF REFRIGERATION CYCLE

31. CASCADE SYSTEM CHARACTERISTICS

32. OUTDOOR DESIGN CONDITIONS AND INDOOR DESIGN CRITERIA

33. INDOOR DESIGN CRITERIA AND THERMAL COMFORT

34. INDOOR TEMPERATURE, RELATIVE HUMIDITY, AND AIR VELOCITY

35. INDOOR AIR QUALITY AND OUTDOOR VENTILATION AIR REQUIREMENTS

36. CONVECTIVE HEAT AND RADIATIVE HEAT

37. AIR HANDLING UNITS AND PACKAGED UNITS

38. PACKAGED UNITS

39. COILS USED IN REFRIGERATION

40. AIR FILTERS

41. REFRIGERATION COMPONENTS AND EVAPORATIVE COOLERS

42. RECIPROCATING/ SCROLL COMPRESSORS

43. ROTARY/ SCREW COMPRESSORS

44. CENTRIFUGAL COMPRESSORS

45. AIR-COOLED CONDENSERS

46. EVAPORATORS AND REFRIGERANT FLOW CONTROL DEVICES

47. REFRIGERATION AND AIR CONDITIONING INTRODUCTION

48. REFRIGERATION HISTORY

49. EVAPORATIVE COOLING

50. ARTIFICIAL REFRIGERATION

51. DOMESTIC REFRIGERATION SYSTEMS

52. AIR CONDITIONING SYSTEMS

53. VAPOUR ABSORPTION REFRIGERATION SYSTEMS

54. GAS CYCLE REFRIGERATION

55. STEAM JET REFRIGERATION SYSTEM

56. THERMOELECTRIC REFRIGERATION SYSTEMS

57. DEVELOPMENT OF REFRIGERANTS AND COMPRESSORS

58. RECIPROCATING/ SCROLL COMPRESSORS

59. ROTARY/ SCREW COMPRESSORS

60. CENTRIFUGAL COMPRESSORS

61. SPECIAL APPLICATIONS OF REFRIGERATION

62. APPLICATION OF REFRIGERATION IN FOOD PROCESSING/ CHEMICAL

63. APPLICATIONS OF REFRIGERATION & AIR CONDITIONING

64. FUNDAMENTAL PRINCIPLES - THERMODYNAMICS

65. HEAT AND WORK

66. THERMODYNAMIC FUNCTIONS

67. FUNDAMENTAL LAWS OF THERMODYNAMICS

68. FIRST LAW OF THERMODYNAMICS

69. SECOND LAW OF THERMODYNAMICS

70. HEAT ENGINES

71. EFFICIENCY OF HEAT ENGINES

72. ENTROPY

73. THIRD LAW OF THERMODYNAMICS

74. THERMODYNAMIC RELATIONS

75. THERMODYNAMIC EQUATIONS

76. PROPERTIES OF PURE SUBSTANCE

77. T-S AND P-H DIAGRAMS FOR LIQUID-VAPOUR REGIME

78. PROPERTIES AT SATURATION/ ISOCHORIC PROCESS

79. ISOBARIC PROCESS/ ISOTHERMAL PROCESS

80. ADIABATIC PROCESS/ POLYTROPIC PROCESS

81. THROTTLING (ISENTHALPIC) PROCESS

82. FLUID FLOW IN REFRIGERATION

83. CONSERVATION OF MOMENTUM

All topics are not listed because of character limitations set by the Play Store.

## Theory of Machines-I

This free unique application is for all students across the world. It covers 161 topics of Theory Of Machines I in detail. These 161 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. TOM DEFINITION

2. FUNDAMENTAL UNITS

3. INTERNATIONAL SYSTEM OF UNITS (S.I. UNITS)

4. PRESENTATION OF UNITS AND THEIR VALUES

5. RULES FOR S.I. UNITS

6. FORCE

7. SCALARS AND VECTORS

8. KINEMATICS OF MOTION

9. LINEAR DISPLACEMENT

10. EQUATIONS OF LINEAR MOTION

11. GRAPHICAL REPRESENTATION OF DISPLACEMENT WITH RESPECT TO TIME

12. GRAPHICAL REPRESENTATION OF VELOCITY WITH RESPECT TO TIME

13. GRAPHICAL REPRESENTATION OF ACCELERATION WITH RESPECT TO TIME

14. KINEMATIC MOTION (NUMERICAL)

15. ANGULAR DISPLACEMENT

16. RELATION BETWEEN LINEAR MOTION AND ANGULAR MOTION

17. ACCELERATION OF A PARTICLE ALONG A CIRCULAR PATH

18. NEWTON’S LAWS OF MOTION

19. MASS AND WEIGHT

20. FORCE UNIT

21. COUPLE

22. MASS MOMENT OF INERTIA

23. ANGULAR MOMENTUM OR MOMENT OF MOMENTUM

24. WORK

25. ENERGY

26. PRINCIPLE OF CONSERVATION OF ENERGY

27. IMPULSE AND IMPULSIVE FORCE

28. ENERGY LOST BY FRICTION CLUTCH DURING ENGAGEMENT

29. TORQUE REQUIRED ACCELERATING A GEARED SYSTEM

30. COLLISION OF TWO BODIES

31. COLLISION OF ELASTIC BODIES

32. LOSS OF KINETIC ENERGY DURING ELASTIC IMPACT

33. SIMPLE MECHANISM

34. TYPES OF LINKS

35. STRUCTURE

36. TYPES OF CONSTRAINED MOTIONS

37. CLASSIFICATION OF KINEMATIC PAIRS

38. KINEMATIC CHAIN

39. TYPES OF JOINTS IN A CHAIN

40. MECHANISM

41. NUMBER OF DEGREES OF FREEDOM FOR PLANE MECHANISMS

42. APPLICATION OF KUTZBACH CRITERION TO PLANE MECHANISMS

43. GRUBLER’S CRITERION FOR PLANE MECHANISMS

44. TYPES OF KINEMATIC CHAINS

45. INVERSIONS OF FOUR BAR CHAIN

46. SINGLE SLIDER CRANK CHAIN

47. INVERSIONS OF SINGLE SLIDER CRANK CHAIN

48. WHITWORTH QUICK RETURN MOTION MECHANISM

49. CRANK AND SLOTTED LEVER QUICK RETURN MOTION MECHANISM

50. DOUBLE SLIDER CRANK CHAIN

51. OLDHAM’S COUPLING

52. SPACE AND BODY CENTRODES

53. METHODS FOR DETERMINING THE VELOCITY OF A POINT ON A LINK

54. PROPERTIES OF THE INSTANTANEOUS CENTRE

55. METHOD OF LOCATING INSTANTANEOUS CENTRES IN A MECHANISM

56. ARONHOLD KENNEDY THEOREM

57. LOCATION OF INSTANTANEOUS CENTRES

58. TYPES OF INSTANTANEOUS CENTRES

59. VELOCITY IN MECHANISMS

60. MOTION OF A LINK

61. VELOCITIES IN SLIDER CRANK MECHANISM

62. FORCES ACTING IN A MECHANISM

63. ACCELERATION OF A POINT ON A LINK

64. ACCELERATION IN MECHANISM

65. ACCELERATION IN THE SLIDER CRANK MECHANISM

66. PANTOGRAPH

67. HART’S MECHANISM

68. STRAIGHT LINE MECHANISMS

69. SCOTT RUSSELL’S MECHANISM

70. MODIFIED SCOTT-RUSSEL MECHANISM & GRASSHOPPER MECHANISM

71. TCHEBICHEFF’S MECHANISM & ROBERTS MECHANISM

72. STRAIGHT LINE MOTIONS FOR ENGINE INDICATORS

73. STEERING GEAR MECHANISM

74. ACKERMAN STEERING GEAR

75. DAVIS STEERING GEAR

76. UNIVERSAL OR HOOKE’S JOINT

77. RATIO OF THE SHAFTS VELOCITIES

78. MAXIMUM AND MINIMUM SPEEDS OF DRIVEN SHAFT

79. CONDITION FOR EQUAL SPEEDS OF THE DRIVING AND DRIVEN SHAFTS

80. DOUBLE HOOKE’S JOINT

81. FRICTION

82. FRICTION BETWEEN DIFFERENT SURFACES

83. LIMITING FRICTION

84. LAWS OF FRICTION

85. LIMITING ANGLE OF FRICTION

86. ANGLE OF REPOSE

87. MINIMUM FORCE REQUIRED TO SLIDE A BODY ON A ROUGH HORIZONTAL PLANE

88. FRICTION OF A BODY LYING ON A ROUGH INCLINED PLANE

89. EFFICIENCY OF INCLINED PLANE

90. SCREW FRICTION

91. FRICTION OF A V-THREAD

92. FRICTION IN JOURNAL BEARING-FRICTION CIRCLE

93. FRICTION OF PIVOT AND COLLAR BEARING

94. FLAT PIVOT BEARING (UNIFORM PRESSURE)

95. FLAT PIVOT BEARING (UNIFORM WEAR)

All topics are not listed because of character limitations set by the Play Store.

## Thermodynamics-1

This unique free application is for all students across the world. It covers 129 topics of Thermodynamics in detail. These 129 topics are divided in 4 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. INTRODUCTION: Thermodynamics

2. THERMODYNAMIC SYSTEMS AND CONTROL VOLUMES

3. PROPERTIES OF A SYSTEM

4. Continuum

5. DENSITY AND SPECIFIC GRAVITY

6. PROCESSES AND CYCLES

7. TEMPERATURE AND THE ZEROTH LAW OF THERMODYNAMICS

8. Temperature Scales

9. FORMS OF ENERGY

10. ENERGY TRANSFER BY HEAT

11. ENERGY TRANSFER BY WORK

12. NONEQUILIBRIUM WORK

13. THE FIRST LAW OF THERMODYNAMICS APPLIED TO A CYCLE

14. THE FIRST LAW APPLIED TO A PROCESS

15. ENTHALPY

16. The Constant-Temperature and Constant-Volume Process

17. The Adiabatic Process

18. The Polytrophic Process

19. The Continuity Equation

20. The Energy Equation

21. Throttling Devices

22. Nozzles and Diffusers

23. Ideal Gas

24. MECHANICAL FORMS OF WORK

25. Shaft Work

26. Flow Work

27. Qualitative Difference between Heat and Work

28. Conservation of mass and energy

29. Second law of thermodynamics: Introduction

30. Limitations of First Law of Thermodynamics

31. Kelvin Planck’s statement

32. Clausius statement

33. Equivalence of Kelvin-Planck and Clausius Statements

34. Irreversibility and Causes of Irreversibility

35. REVERSIBILITY

36. THE CARNOT ENGINE

37. CARNOT EFFICIENCY

38. Heat Engines

39. Thermal Efficiency

40. Can We Save Qout?

41. Coefficient of Performance

42. Heat Pumps

43. PERPETUAL MOTION MACHINES

44. Non-Quasi-Equilibrium Expansion and Compression

45. The Reversed Carnot Cycle

46. Difference between Free Expansion of a Gas and Reversible Isothermal Expansion

47. Features of reversible processes

48. Equality of ideal Gas Temperature and Kelvin Temperature

49. Entropy-introduction

50. Two Reversible Adiabatic Paths Cannot Intersect Each Other

51. Clausius Theorem

52. Temperature Entropy Diagram

53. Temperature Entropy Diagram

54. Second law analysis of a control volume

55. Entropy change of an incompressible substance

56. Available Energy

57. Available energy conversion to work

58. " Loss of Available Energy due to Heat Transfer through a Finite Temperature Difference"

59. Entropy generation associated with a heat transfer

60. Mixture of ideal gases

61. Dalton 's Law of partial pressure

62. Amagat's Law

63. Available Energy Referred to a Cycle

64. Decrease in Available Energy when Heat is Transferred through a Finite Temperature Difference

65. Available Energy from a Finite Energy Source

66. Quality of Energy

67. Entropy and the degradation of energy

68. EXERGY: WORK POTENTIAL OF ENERGY

69. Exergy (Work Potential) Associated with Kinetic and Potential Energy

70. REVERSIBLE WORK AND IRREVERSIBILITY

71. SECOND-LAW EFFICIENCY

72. EXERGY CHANGE OF A SYSTEM

73. Exergy of a Fixed Mass: Nonflow (or Closed System) Exergy

74. Exergy of a Flow Stream: Flow (or Stream) Exergy

75. Exergy by Heat Transfer

76. Exergy Transfer by Work

77. Exergy Transfer by Mass

78. THE DECREASE OF EXERGY PRINCIPLE

79. Exergy Destruction

80. EXERGY BALANCE: CLOSED SYSTEMS

81. EXERGY BALANCE: CONTROL VOLUMES

82. Exergy Balance for Steady-Flow Systems

83. Reversible Work

84. Phases of a Pure Substance

85. Phase-Change Processes of Pure Substances

86. P-v diagram of a pure substance

87. The P-T or Phase Change Diagram

88. Property Tables

89. Saturated Liquid-Vapor Mixture

90. The Ideal-Gas Equation of State

91. Compressibility Factor

92. Introduction to steam

All topics are not listed because of character limitations set by the Play Store.

## Advanced Welding Technology

This unique Free application is for all students across the world. It covers 217 topics of Advanced Welding Technology in detail. These 217 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. INTRODUCTION OF WELDING

2. CONVENTIONAL WELDING PROCESSES

3. WELDING WITH PRESSURE

4. FUSION WELDING

5. INTRODUCTION TO ADVANCED PROCESS DEVELOPMENT TRENDS

6. SAFETY AND ENVIRONMENTAL FACTORS

7. AREAS FOR DEVELOPMENT OF WELDING PROCESSES

8. INTRODUCTION TO ENERGY SOURCES USED FOR FUSION WELDING

9. ENERGY-SOURCE INTENSITY

10. INTRODUCTION TO HEAT FLOW IN FUSION WELDING

11. MATHEMATICAL FORMULATIONS IN HEAT FLOW IN FUSION WELDING

12. PARAMETRIC EFFECTS OF HEAT FLOW IN FUSION WELDING

13. THERMO PHYSICAL PROPERTIES OF SELECTED ENGINEERING MATERIALS

14. INTRODUCTION TO FLUID FLOW PHENOMENON DURING WELDING

15. GAS TUNGSTEN ARC WELDING

16. DEEP-PENETRATION ELECTRON BEAM AND LASER WELDS

17. GAS METAL ARC WELDING

18. Submerged Arc Welding

19. INTRODUCTION TO TRANSFER OF HEAT AND MASS TO THE BASE METAL IN GAS-METAL ARC WELDING

20. HEAT TRANSFER IN GAS-METAL ARC WELDING

21. PROCEDURE DEVELOPMENT TRANSFER OF HEAT AND MASS TO THE BASE METAL IN GAS-METAL ARC WELDING

22. INTRODUCTION TO ARC PHYSICS OF GAS-TUNGSTEN ARC WELDING

23. ELECTRODE REGIONS AND ARC COLUMN IN GTAW

24. ARC WELDING POWER SOURCES

25. POWER SOURCE SELECTION

26. PULSED POWER SUPPLIES

27. Resistance Welding Power Sources

28. ELECTRON-BEAM WELDING POWER SOURCES

29. INTRODUCTION TO WELD SOLIDIFICATION

30. COMPARISON OF CASTING AND WELDING SOLIDIFICATION

31. SOLIDIFICATION OF ALLOY WELDS (CONSTITUTIONALSUPERCOOLING)

32. DEVELOPMENT OF WELD MICROSTRUCTURES

33. EFFECT OF WELDING RATE ON WELD POOL SHAPE AND MICROSTRUCTURE

34. BRAZING

35. SOLDERING

36. PHYSICAL PRINCIPLES OF BRAZING

37. ELEMENTS OF THE BRAZING PROCESS

38. HEATING METHODS FOR BRAZING

39. INTRODUCTION TO FUNDAMENTALS OF SOLDERING

40. FUNDAMENTALS OF SOLDERING

41. GUIDELINES FOR FLUX SELECTION

42. TYPES OF FLUXES

43. JOINT DESIGN

44. PRECLEANING AND SURFACE PREPARATION

45. SOLDER APPLICATION

46. SOLDERING PROCESS PARAMETERS

47. SOLDERING EQUIPMENT

48. CHARACTERISTICS OF THE COMPONENTS OF A SHIELDING GAS BLEND

49. SHIELDING GAS SELECTION

50. BASIC POWER SOURCE REQUIREMENTS

51. CONVENTIONAL POWER SOURCE DESIGNS

52. DIFFUSION BONDING PROCESS

53. ELECTRONIC POWER REGULATION SYSTEMS

54. OUTPUT LEVEL, SEQUENCE AND FUNCTION CONTROL

55. MMAW CONSUMABLES

56. SUBMERGED ARC WELDING CONSUMABLES

57. FILLER WIRES FOR GMAW AND FCAW

58. INTRODUCTION TO FUNDAMENTALS OF FRICTION WELDING

59. DIRECT DRIVE WELDING

60. INERTIA-DRIVE WELDING

61. JOINING OF SIMILAR METALS

62. JOINING OF DISSIMILAR METALS

63. INTRODUCTION TO FUNDAMENTALS OF DIFFUSION BONDING

64. BONDING SURFACES CONTAINING OXIDES

65. MECHANISM OF DIFFUSION BONDING

66. BONDING PRACTICE

67. FLYER PLATE ACCELERATION

68. IMPACT ENERGY IN EXPLOSION WELDING

69. DYNAMIC BEND ANGLE AND MATERIAL PROPERTIES IN EXPLOSION WELDING

70. JET FORMATION IN EXPLOSION WELDING

71. SELECTION OF BONDING PARAMETERS

72. BOND MORPHOLOGY AND PROPERTIES

73. MICROSTRUCTURE OF INTERLAYER WELDS

74. TENSILE LOADING OF SOFT-INTERLAYER WELDS

75. THE SMAW PROCESS

76. APPLICATIONS OF SHIELDED METAL ARC WELDING

77. ELECTRODES IN SMAW

78. WELD SCHEDULES AND PROCEDURES

79. VARIATIONS OF THE SMAW PROCESS

80. SPECIAL APPLICATIONS OF THE SMAW PROCESS

81. SAFETY CONSIDERATIONS IN SMAW

82. INTRODUCTION TO GAS-METAL ARC WELDING

83. PROCESS FUNDAMENTALS IN GMAW

All topics are not listed because of character limitations set by the Play Store.

## Quality Control Engineering

This unique free application is for all students across the world. It covers 86 topics of Quality Control in detail. These 86 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Quality Improvement and Statistics

2. Statistical Quality and Process Control

3. Control Charts

4. Charts for Variable such as (X,R charts)

5. Charts for Attributes such as (P,C charts)

6. Use of Control Charts

7. Process Capability Analysis

8. Principle of acceptance sampling

9. Producer’s and consumer’s risk and Average outgoing quality

10. Sampling Error

11. Single Sampling Plan

12. Sampling Plans

13. Double Sampling Plan

14. Sequential Sampling Plan

15. Acceptance sampling attributes

16. Acceptance sampling by variable

17. Difference between attribute and variable sampling plans

18. Introduction to Reliability

19. Product Life Cycle Curve or Bath tub curve

20. Relationship between the failure rate and the mean time between failures

21. Systems Reliability (Series & Parallel System)

22. Implications for Design

23. Redundancy in Reliability

24. Reliability based design

25. Introduction of Value Analysis

26. Defining Cost and Value

27. The Focus of Value Analysis

28. Use of Value Analysis (Within the business & Market induced Reasons)

29. Types Of Value Analysis

30. Related Tools and Techniques of Value Analysis

31. Application of Value Analysis

32. Basic Concept of TQM

33. Difference Between Quality Assurance And Quality Control

34. Implementation of TQM

35. Introduction of Implementation of TQM

36. Quality Assurance in TQM

37. Quality Control points- Introduction

38. Quality Management in TQM

39. Introduction to Total Quality Management

40. Historical evolution of Total Quality Management

41. Zero Defects in TQM

42. Introduction to Taguchi method

43. History of Six Sigma

44. Defination of Six Sigma

45. Concept of Sig Sigma

46. Introduction of ISO 9000

47. ISO 9000 Standard Series

48. Historical Background: The Concept of Quality Circle

49. Introduction of Quality Circle

50. Organizational Structure of Quality Circle

51. Material Quality Control

52. Diagnostic Techniques Introduction

53. Thomson, Rayleigh and Raman scattering

54. Diode laser absorption

55. (Ta)LIF

56. Absolute intensities of spectral lines

57. Spectral Line Broadening

58. Continuum radiation and Power Interruption

59. Introduction to Condition Monitoring

60. Introduction to Condition Monitoring Techniques

61. Mean Time Between Failures (MTBF)

62. Objectives of Inspection and types of Inspection

63. Stages of Inspection

64. Inspection Procedures

65. Methods of Inspection and its Drawbacks

66. Introduction of Quality and Quality Control

67. Quality Characteristics

68. Total Quality Control

69. Process capability Introduction

70. Definitions and Process Capability Study Steps

71. Process Capability and Calculating Process Capability Indices

72. Accuracy and Precision

73. Types of Fits

74. Types of Tolerances

75. Standard Tolerances

76. Selection of Fits

77. Systems of Fit (Hole and Shaft Basis)

78. Limits

79. Non Destructive Testing (NDT)

80. Non destructive Evaluation (NDE) Techniques

81. Types of Gauges

82. Interchangeability Introduction

83. Types of Interchangeability

84. Standardisation and its Types

85. Accuracy versus Precision

86. Design for Maintainability

All topics are not listed because of character limitations set by the Play Store.

## Electrical System Design

This unique free application is for all students across the world. It covers 113 topics of Electrical System Design and Estimation in detail. These 113 topics are divided in 6 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Types of lighting schemes

2. Electrical Symbols

3. Lists of Electrical symbols

4. Salient Features of Electricity Act, 2003

5. Consequences of Electricity Act, 2003

6. Indian Electricity Rules (1956)

7. General safety precautions

8. Role and Scope of National Electric Code

9. Components of National electric code

10. Classification of Supply Systems - TT system

11. Classification of Supply Systems - TN system

12. Classification of Supply Systems - IT system

13. Selection criteria for the TT, TN and IT systems

14. Load break switches

15. Switch Fuse Units & Fuse Switches

16. Circuit Breakers - MCB

17. Circuit Breakers - MCB Selection & Characteristics

18. Circuit Breakers - RCCB

19. Circuit Breakers - MCCB

20. Circuit Breakers - ELCB

21. Circuit Breakers - Voltage Base ELCB

22. Circuit Breakers - Current-operated ELCB

23. Circuit Breakers - ACB

24. Operation of ACB

25. Air Blast Circuit Breaker

26. Different Types of Air Blast Circuit Breaker

27. Circuit Breakers - OCB

28. Bulk Oil Circuit Breaker

29. Single & Double Break Bulk Oil Circuit Breaker

30. Circuit Breakers - Minimum Oil

31. Circuit breakers - VCB

32. Electrical Switchgear

33. SF6 Circuit Breaker

34. Types and Working of SF6 Circuit Breaker

35. Vacuum Arc or Arc in Vacuum

36. Different types of fuses

37. Protection against over load

38. Delay curves

39. Service connections

40. Electrical Diagrams

41. Methods for representation for wiring diagrams

42. Systems of House Wiring

43. Neutral and earth wire

44. Load Factor for Electrical Installations

45. Earth bus- Design of earthing systems

46. Demand Factor for electrical installations

47. Diversity Factor for electrical installations

48. Utilization factor & Maximum Demand for electrical installations

49. Coincidence factor for electrical installations

50. Demand Factor & Load Factor according to Type of Buildings

51. Design of LT panels

52. Current Rating of single core XLPE Un-armoured INSULATED Cables

53. Current Rating of single core XLPE Armoured INSULATED Cables

54. Current Rating of Two core XLPE Un-armoured INSULATED Cables

55. Current Rating of Two core XLPE Armoured INSULATED Cables

56. Current Rating of Three core XLPE Un-Armoured Insulated Cables

57. Current Rating of Three core XLPE Armoured INSULATED Cables

58. Current Rating of Three & Half core XLPE Un-Armoured INSULATED Cables

59. Current Rating of Three & Half core XLPE Armoured INSULATED Cables

60. Current Rating of Four core XLPE Un-Armoured INSULATED Cables

61. Current Rating of Four core XLPE Armoured INSULATED Cables

62. Qualities of good lighting schemes

63. Luminous flux

64. Luminous intensity

65. Illuminance

66. Luminance

67. Reflection and Reflection Factor

68. Laws of illumination

69. Necessity of Illumination

70. Photometry & Luminaire

71. Photometric Bench

72. Incandescent Lamps

73. Characteristics of Incandescent Lamps

74. Discharge Lamps

75. Mercury Vapor Lamp

76. Sodium Vapor Lamp

77. Fluorescent Lamp

78. Luminaries in Illumination Schemes

79. Mounting of Luminaries

80. Glare

81. Evaluation of Glare

82. Color

83. Color Specification Systems - Munsell system

84. Color Specification Systems

85. Interior Lighting

86. Trends and finishing of Interior Lightning

87. Sports Lighting

All topics are not listed because of character limitations set by the Play Store.

## Discrete Mathematics-1

This unique free application is for all students across the world. It covers 113 topics of Discrete Mathematics in detail. These 113 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Set Theory

2. Decimal number System

3. Binary Number System

4. Octal Number System

5. Hexadecimal Number System

6. Binary Arithmetic

7. Sets and Membership

8. Subsets

9. Introduction to Logical Operations

10. Logical Operations and Logical Connectivity

11. Logical Equivalence

12. Logical Implications

13. Normal Forms and Truth Table

14. Normal Form of a well formed formula

15. Principle Disjunctive Normal Form

16. Principal Conjunctive Normal form

17. Predicates and Quantifiers

18. Theory of inference for the Predicate Calculus

19. Mathematical Induction

20. Diagrammatic Representation of Sets

21. The Algebra of Sets

22. The Computer Representation of Sets

23. Relations

24. Representation of Relations

25. Introduction to Partial Order Relations

26. Diagrammatic Representation of Partial Order Relations and Posets

27. Maximal, Minimal Elements and Lattices

28. Recurrence Relation

29. Formulation of Recurrence Relation

30. Method of Solving Recurrence Relation

31. Method for solving linear homogeneous recurrence relations with constant coefficients:

32. Functions

33. Introduction to Graphs

34. Directed Graph

35. Graph Models

36. Graph Terminology

37. Some Special Simple Graphs

38. Bipartite Graphs

39. Bipartite Graphs and Matchings

40. Applications of Graphs

41. Original and Sub Graphs

42. Representing Graphs

43. Adjacency Matrices

44. Incidence Matrices

45. Isomorphism of Graphs

46. Paths in the Graphs

47. Connectedness in Undirected Graphs

48. Connectivity of Graphs

49. Paths and Isomorphism

50. Euler Paths and Circuits

51. Hamilton Paths and Circuits

52. Shortest-Path Problems

53. A Shortest-Path Algorithm (Dijkstra Algorithm.)

54. The Traveling Salesperson Problem

55. Introduction to Planer Graphs

56. Graph Coloring

57. Applications of Graph Colorings

58. Introduction to Trees

59. Rooted Trees

60. Trees as Models

61. Properties of Trees

62. Applications of Trees

63. Decision Trees

64. Prefix Codes

65. Huffman Coding

66. Game Trees

67. Tree Traversal

68. Boolean Algebra

69. Identities of Boolean Algebra

70. Duality

71. The Abstract Definition of a Boolean Algebra

72. Representing Boolean Functions

73. Logic Gates

74. Minimization of Circuits

75. Karnaugh Maps

76. Dont Care Conditions

77. The Quine MCCluskey Method

78. Introduction to Lattices

79. The Transitive Closure of a Relation

80. Cartesian Product of Lattices

81. Properties of Lattices

82. Lattices as Algebraic System

83. Partial Order Relations on a Lattice

84. Least Upper Bounds and Latest Lower Bounds in a Lattice

85. Sublattices

86. Lattice Isomorphism

87. Bounded, Complemented and Distributive Lattices

88. Propositional Logic

89. Conditional Statements

90. Truth Tables of Compound Propositions

91. Precedence of Logical Operators and Logic and Bit Operations

92. Applications of Propositional Logic

93. Propositional Satisfiability

94. Quantifiers

95. Nested Quantifiers

96. Translating from Nested Quantifiers into English

97. Inference

98. Rules of Inference for Propositional Logic

99. Using Rules of Inference to Build Arguments

100. Resolution and Fallacies

101. Rules of Inference for Quantified Statements

102. Introduction to Algebra

103. Rings

104. Properties of rings

105. Subrings

106. Homomorphisms and quotient rings

107. Groups

108. Properties of groups

109. Subgroups

All topics not listed due to character limitations set by Google Play.

## Applied Thermodynamics

This unique free application is for all students across the world. It covers 127 topics of Applied Thermodynamics in detail. These 127 topics are divided in 5 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Introduction to Thermodynamic Property Relations

2. Internal Energy

3. Graphical representation of thermodynamic properties

4. Some Mathematical Theorems

5. Relations for sound speed and ideal gas

6. Maxwell’s Relations

7. Evaluation of Entropy

8. Derivation of Joule’s Law

9. Constant Volume Heating

10. Constant Pressure Heating

11. Adiabatic Volume Change

12. Sound Velocity in H2O

13. Isothermal Volume Change

14. Example of Compression of Solid

15. Constant Enthalpy Expansion

16. Joule-Thompson coefficient related to PvT data

17. Clapeyron Equation

18. Keypoints regarding Clapeyron Equation

19. Kinetic Theory of Gases

20. Kinetic Theory of Gases--State Equations and Specific Heats

21. Cp and Cv under the kinetic theory

22. Variation of CP with P at constant T

23. Variation of CV with v at constant T

24. Relation between CP and CV

25. Enthalpy Relations

26. Energy Relations

27. Entropy Relations

28. Summary of Energy, Enthalpy, and Entropy Calculations

29. Generating Thermodynamic Data Tables

30. Fuels

31. BASIS OF COMBUSTION ANALYSIS

32. Basic equations in combustion

33. AIR REQUIRED IN COMBUSTION

34. Mass and volume of the flue gas

35. THE COMBUSTION PROCESS

36. COMBUSTION OF FUELS IN AIR

37. EXHAUST GAS ANALYSES

38. FINDING THE AFR FROM AN EXHAUST GAS ANALYSIS

39. HIGHER AND LOWER CALORIFIC VALUES

40. Introduction to steam generators

41. Introduction to boilers

42. How Boilers Work

43. CLASSIFICATION OF BOILER

44. Boiler Specification The heating surface

45. Boiler Systems

46. Firetube boilers

47. Watertube boilers

48. Comparison of fire tube and water tube boilers

49. Lancashire Boiler

50. COCHRAN BOILER

51. BABCOCK WILCOX BOILER

52. BOILER MOUNTINGS

53. Water level Indicator

54. Pressure Gauge

55. Steam Safety Valve

56. Fusible Plug

57. Feed Check Valve and Steam Stop Valve

58. BOILER ACCESSORIES

59. Air Preheaters

60. FEED WATER HEATER

61. SUPER HEATER

62. Performance Evaluation of Boilers

63. Direct Method for obtaining boiler efficiency

64. Indirect Method for obtaining boiler efficiency

65. Equivalent Evaporation

66. Boiler Efficiency

67. Introduction to condenser

68. Air-cooled condensers

69. Water Cooled Condensers

70. Evaporative condensers

71. Air cooled vs water cooled condensers

72. Analysis of condensers

73. Condenser Heat Rejection Ratio

74. Mean temperature difference

75. Effect of air and non-condensables

76. Optimum condenser pressure for lowest running cost

77. Heat Transfer in Condensers

78. Vapour power cycles - Introduction

79. THE CARNOT VAPOUR CYCLE

80. Limitations of Carnot Cycle

81. RANKINE CYCLE

82. Calculations involved in Rankine Cycle

83. Specific Steam Consumption

84. Effect of Pressure at Throttle Condition

85. Effect of Temperature at Throttle Condition

86. ACTUAL VAPOUR POWER CYCLE

87. BINARY VAPOUR CYCLE

88. Binary Vapour Cycle Efficiency Calculation

89. REHEAT CYCLE

90. REGENERATIVE CYCLE

91. Cogeneration-introduction

92. Need for cogeneration

93. The Benefits of Cogeneration

94. Principle of Cogeneration

95. Steam turbine cogeneration systems

96. Gas turbine cogeneration systems

97. Reciprocating Engine Cogeneration System

98. Topping cycle

99. Bottoming cycle

All topics are not listed because of character limitations set by the Play Store.

## Satellite Communications

This unique free application is for all students across the world. It covers 179 topics of Satellite Communications in detail. These 179 topics are divided in 4 units.Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Satellite Communications Segments

2. Satellite Link Parameters

3. Satellite Orbits

4. Frequency Band Designations

5. Regulatory Process for Satellite Communications

6. Application of satellite

7. Earth station

8. Characteristics of Earth Station

9. Feed System

10. Tracking System

11. Merits and Demerits of the Satellite Communication

12. Low noise amplifier

13. High-Power Amplifier

14. The Composite Link

15. Passive Satellites& Active Satellites

16. Receive-Only Home TV Systems

17. Link System Performance

18. Uplink

19. Downlink

20. Percent of Time Performance Specifications

21. Master Antenna TV System

22. Transmit-Receive Earth Stations

23. Community Antenna TV System

24. Direct Broadcast Satellite Services

25. MPEG Compression Standards for Digital Television

26. The Home Receiver Outdoor Unit (ODU) of DBS Services

27. Home Receiver Indoor Unit

28. FDM Telephony

29. Frequency Modulation

30. Noise weighting

31. Pre-emphasis and De-emphasis

32. Signal-to-noise ratio for TV/FM

33. Signal-to-Noise Ratio

34. Single-Sideband Telephony

35. S/N and bandwidth for FDM/FM telephony

36. The Telephone Channel

37. Bandwidth Requirements

38. BASEBAND FORMATTING

39. BASEBAND SIGNALS

40. Bit Timing Recovery

41. Carrier Recovery Circuits

42. Digital Carrier Systems

43. Digital modulation

44. Elements of a Digital Communication System

45. Interleaving

46. Time-Division Multiplexing

47. Transmission rate and bandwidth for PSK modulation

48. Satellite Multiple Access

49. Frequency Division Multiple Access

50. Spade System

51. TDMA

52. TDMA Capacity

53. Code Division Multiple Access

54. Satellite Switched TDMA

55. Direct Sequence Spread Spectrum

56. Frequency Hopping Spread Spectrum

57. CDMA Processing Gain

58. CDMA Capacity

59. TDMA Frame Structure

60. Bandwidth-Limited and Power-Limited TWT Amplifier Operation

61. Carrier recovery

62. CDMA throughput

63. Comparison of uplink power requirements for FDMA and TDMA

64. Demand-Assigned FDMA

65. Demand-assigned TDMA

66. Digital TASI

67. Downlink analysis for digital transmission

68. Network synchronization

69. On-Board Signal Processing for FDMA/TDM

70. PCM/SCPC/PSK/FDMA

71. PCM/TDM/PSK/FDMA

72. Preassigned FDMA

73. Preassigned TDMA

74. Speech predictive encoded communications (SPEC)

75. Unique word detection

76. Satellite Orbits

77. Orbital Parameters

78. Geostationary Orbit

79. Low Earth Orbit

80. Medium Earth Orbit

81. Highly Elliptical Orbit

82. Geometry of GSO Links

83. Non-Geostationary Orbit (NGSO)

84. Satellite Subsystems

85. Satellite Bus

86. Power Subsystem

87. Attitude Control of Satellite Sub-System

88. Orbital Control of satellite

89. Thermal Control in Satellite

90. Tracking, Telemetry, Command, and Monitoring in satellite

91. Satellite Payload

92. Frequency Translation Transponder

93. On-board Processing Transponder

94. Antenna Subsystem in Satellite Payload

95. Satellite Mobile Services

96. VSATs

97. Radarsat

98. Global Positioning Satellite System (GPS)

99. Orbcomm

100. Broadband Satellite System

101. INMARSAT

102. INTELSAT

103. Military Satellite System

104. U.S. Domsats

105. Transmission Fundamentals

106. Antenna Gain

107. Circular Parabolic Reflector Antenna

108. Antenna Beam width

109. Free-Space Path Loss

110. Basic Link Equation for Received Power

111. System Noise

All topics are not listed because of character limitations set by the Play Store.