Master gasoline, kerosene, and diesel
Hazardous Materials, Hei
Organize the permitted materials down to the key numbers.
Repeat 250 questions on Hei-class materials, combustion, extinguishing, and regulations, then take a 25-question mock.
250 original questionsFocused Hei-class scope12- and 25-question mocks
250 questions
Before you start
- iOS app
- 丙種危険物取扱者 一問一答問題集
- What it does
- Practice for Japan's Hazardous Materials Hei exam with explanations and subject-level feedback.
- Content and features
- 250 original questions / 12- and 25-question mock exams / Explanations for every answer choice
- Requirements
- iOS 16.0 or later
- Free access and purchases
- A limited free trial is available. A one-time in-app purchase unlocks further questions and mock exams; see the app for current limits and price.
- Before choosing
- Japanese-language exam practice. Independent of the exam authority, with no pass guarantee. Check current official rules and eligibility.
iOS facts checked: · Current App Store listing and purchase terms ↗
3-MINUTE CHECK
Try three questions.
Can you recall the reason?
The mini diagnostic is in Japanese, with a short explanation after each answer. No sign-up is required.
QUESTION 1 / 3
ガソリンの類別はどれか。
CONTINUE IN THE APP
Continue in a study environment built for this exam.
Move from focused repetition to exam-format mock tests while keeping your study history.
This page and app are independent study aids, not official exam-authority products. Check current official information before taking an exam.