# Class 3 Refrigeration Exam JP

> Study for Japan Class 3 Refrigeration Engineer exam with Q&A, offline

Canonical page: [https://chrome-stats.com/d/jp.razuma.reitou3study](https://chrome-stats.com/d/jp.razuma.reitou3study)

## Overview

- **ID:** `jp.razuma.reitou3study`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** razuma
- **Category:** BUSINESS
- **Downloads:** 83
- **Version:** 1.1
- **Last updated:** 2026-07-14
- **First published:** 2026-06-18
- **Publisher country:** JP
- **Size:** 62 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.razuma.reitou3study)
- **Website:** [https://razuma.jp/](https://razuma.jp/)
- **Privacy policy:** [https://razuma.jp/privacy.html](https://razuma.jp/privacy.html)

## Description

A study app for the Japan Class 3 Refrigeration Machinery Responsible Engineer (第三種冷凍機械責任者) exam. Study efficiently with practice questions and detailed explanations across all subjects.<br><br>■ Subjects Covered<br>• Refrigeration Principles and Refrigerants<br>• Refrigeration Equipment (Compressor / Condenser / Evaporator / Expansion Valve)<br>• Auxiliary Devices, Automatic Control and Safety<br>• Operation, Maintenance and Inspection<br>• Laws and Regulations (High Pressure Gas Safety Act)<br><br>■ Study Modes<br>• Random practice (10 / 25 / 50 / 100 questions)<br>• Study by subject<br>• All questions in order (resume supported)<br>• Review incorrect answers<br>• Bookmarks and unanswered questions<br><br>■ Progress Tracking<br>• Automatic tracking of correct answer rate<br>• Subject-by-subject performance overview<br><br>Works completely offline — study anytime, anywhere.<br><br>■ Reference Source<br>• https://www.khk.or.jp/ (High Pressure Gas Safety Institute of Japan)<br><br>※ This app is an independent study tool and is not affiliated with any examination body. Content is based on general exam scope and may differ from the actual exam due to law revisions.

## Rankings

- #2,120,359 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.amazon.privacypass.ATTEST`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `jp.razuma.reitou3study.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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