Twenty law and fifteen safety questions, 60% each
Class-3 Refrigeration Machinery Officer
Clear twelve law and nine safety questions, both.
Drill 112 questions across the High Pressure Gas Safety Act with the refrigeration safety rules and safety management technology, judged on the real standard of 60% per subject.
112 original questionsPer-subject pass simulation17- and 35-question mocks
112 questions
Before you start
- iOS app
- 第三種冷凍機械責任者 一問一答 試験対策
- What it does
- Practice Japan's Class-3 Refrigeration Machinery Officer exam (regulations and safety management) with per-subject pass feedback.
- Content and features
- 112 original questions / 17- and 35-question mock exams / Explanations for every 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 for the Class-3 Refrigeration Machinery Officer exam. Independent of the exam authority (KHK), with no pass guarantee.
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
高圧ガス保安法の目的について、法令上正しいものはどれか。
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.