공냉기 필기 - 공조냉동기계기사 필기 시험 대비

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About this app

For the Air Conditioning and Refrigeration Engineer written exam, the process of identifying and reviewing your weaknesses is more important than simply solving a large number of problems.

The Air Conditioning and Refrigeration Engineer Written Exam Prep App is designed to help you solve self-produced problems across four subjects and to repeatedly study questions you got wrong or those you tend to forget. You can check your progress and accuracy rates for each subject, and immediately find the questions you need to review and the chapters you are weak in.

[Key Features]

Over 1,000 Self-Produced Problems, Full Range of 4 Subjects

Study the four written exam subjects: Energy Management, Air Conditioning and Refrigeration Design, Commissioning and Safety Management, and Maintenance Construction Management. The questions and answer choices are created in-house; we do not restore or include actual past exam questions.

Problem Solving by Subject and Chapter

Select the subjects and chapters you wish to study to solve problems. You can check the total number of questions, solutions, accuracy rates, and progress for each subject, allowing you to start with the areas you need.

Detailed Explanations

Check the reasoning behind the correct answer and related concepts for each problem. For calculation problems, review the solution process and units together, and identify points of confusion and potential pitfalls. Continue Solving

Continue Solving

It remembers your progress even if you stop solving problems. When you return, you can resume your study from where you left off.

FSRS Smart Review

Adjust your review timing based on your learning status for each problem. You can view the problems to review today and set the daily review limit.

Incorrect Answer Notes and Problems to Review

Gather incorrect answers, questions you were unsure about, and questions saved for revisit in one place. You can filter by subject and solution history, and sort by importance.

Problem-specific Notes and Review Record

Leave your own notes on problems to record why you were confused. You can manage repetitive learning by checking the number of times you have solved each problem.

Weakness Heatmap and Learning Completion

Check the correct answer rate by subject and unit using colors and symbols. You can quickly identify weak areas based on the ranges of less than 40%, 40–60%, and over 60%, and navigate to the corresponding unit's solutions. Unit Frequency by Subject (Premium)

Check the frequency of questions by unit based on the analysis of the released exam sessions. You can determine your study order by starting with the frequently appearing units.

Practical Mock Exams

Solve a total of 80 questions across 4 subjects within 120 minutes, tailored to the structure of the written exam. Check results based on a 40% passing rate for each subject and an overall average of 60%, and record your number of attempts and highest score.

Personalized Study Recommendations

Recommend the next questions to solve based on your solution history and subject-specific accuracy rates. Check the estimated study time and the reason for the recommendation, and start a short study session immediately.

Learning Statistics and Continuous Study

Check the daily number of solutions, total number of solutions, total accuracy rate, continuous study days, and daily average number of solutions for the past 7 days. Also record your mock exam attempts and highest score.

Select Exam Session/Date and D-Day

Select the written exam session for the Air Conditioning and Refrigeration Engineer certification and choose the actual exam date within the corresponding CBT period. You can check the number of days remaining until the selected date and your preparation status from the home screen.

Pre-Exam Checklist

As the exam approaches, check off your supplies and pre-exam requirements. When the exam session changes, the checklist is updated based on the specific exam.

Study & Review Notifications

Receive daily study notifications at your preferred time. You can set whether to use notifications and the time directly within the app.

Synchronization of Study Records Across Devices

When you log in, your solution records, review schedules, statistics, and incorrect answer notes are stored in your account. Even if you switch devices, you can retrieve your existing study records to continue studying.

Screen Themes and Font Size

Select your preferred screen from System Settings, Light, or Dark themes. You can also adjust the font size of questions and explanations to suit your learning environment.

Mobile Phone & Tablet Support

View questions, explanations, heatmaps, and study records with layouts optimized for mobile phone and tablet screens.

FAQ and 1:1 Inquiries

You can check frequently asked questions and leave inquiries within the app. You can attach images to your inquiry and receive a notification when a response is registered. [Content Guide]

The Air Cooling Engineer written exam does not include actual past exam questions. We have created study questions and explanations ourselves, referencing the exam criteria and subject structure; we do not restore or duplicate past exam questions.

This app is an independent private learning tool designed to assist with studying for the Air Conditioning and Refrigeration Engineer written exam. It has no partnership, sponsorship, or approval relationship with government or public institutions, such as the Human Resources Development Service of Korea or the National Qualification Portal Q-Net, and does not represent any of them. Passing the exam is not guaranteed; please check the latest announcements from the administering agency for the exam schedule and detailed criteria.

Official Exam Schedule, Registration, and Subject Information: https://www.q-net.or.kr/crf005.do?gId=07&gSite=Q&id=crf00503s02&jmCd=1730&jmInfoDivCcd=B0

[Recommended for]

Those preparing for the Air Conditioning and Refrigeration Engineer written exam for the first time

Those who want to self-study while identifying weaknesses by subject

Those who want to systematically review incorrect answers

Those who want to solve problems quickly during their commute

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[Terms and Policies]

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