危険物乙4 過去問・問題集

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About this app

■ Important Notice (Operator Information & Official Information Sources)

This app is an independent learning support app with no affiliation, affiliation, or authorization from the Fire and Disaster Management Agency of the Ministry of Internal Affairs and Communications (the supervising government agency), or any other government agency. The questions and explanations provided in this app are original learning materials based on analysis of exam trends and relevant laws and regulations, and are not official exam questions.

For official information on the Hazardous Materials Handler Examination and related laws and regulations, please always check the following official websites:

* Fire and Disaster Management Agency (Examination Implementing Organization): https://www.shoubo-shiken.or.jp/
* Fire and Disaster Management Agency (Supervising Government Agency): https://www.fdma.go.jp/
* e-Gov Law Search (Fire Service Act / Cabinet Order/Regulations Concerning the Regulation of Hazardous Materials): https://elaws.e-gov.go.jp/

Hazardous Materials Class B, Category 4 Past Questions & Practice Problems - Supporting Self-Study for Success

This is an exam preparation app for the Hazardous Materials Handler Class B, Category 4 (Otsu 4) exam.

This resource combines essential features for passing the exam, including practical exercises based on past questions, targeted weakness building in specific areas, and mock exams simulating the actual test.

You can study during your commute, school breaks, or other spare time.


What is the Hazardous Materials Handler Class 4 Exam?

The Hazardous Materials Handler Exam is a national qualification required for handling hazardous materials such as gasoline, kerosene, diesel fuel, and alcohol.

The exam consists of three subjects: "Laws and Regulations," "Physics and Chemistry," and "Properties and Fire Extinguishing." A score of 60% or higher in each subject is required to pass.


Main Features

1. Past Exam Questions and Explanations
2. Subject-Specific Practice
3. Weakness Review
4. Mock Exams
5. Visualization of Learning History
6. Bookmarks
7. Dark Mode
8. Ask the AI ​​(Simpler Explanations, Memorization Tips, etc.)

Recommended for:

* Those who want to pass the Class 4 Hazardous Materials Handler Exam through self-study
* Those who want to study efficiently in their spare time
* Those who want to measure their abilities with mock exams

* Basic functions are free
* Displays advertisements
* Available without login (Ask the AI ​​a question requires login)
* In-app purchases available (AI ticket pack / ad-free option)
* AI tickets can be obtained for free by watching advertisements (There is a limit to the number of free tickets that can be obtained per day)