Particles and WavesPAW

資格のキーホルダー · Regulations and safety management

High-Pressure Gas Sales Supervisor (Class 1 and 2)

Statutes, properties and calculations, with every choice explained.

The Keyholder app includes 200 original five-choice questions for each of Class 1 and Class 2, with five practice sets of regulations (20 questions, 60 minutes) followed by safety management (20 questions, 90 minutes). Class 1 and Class 2 are separate purchases.

200 questions per classFive two-subject practice setsEvery choice explained
200 questions per classHigh-Pressure Gas Sales Supervisor (Class 1 and 2) app icon

Before you start

iOS app
資格のキーホルダー 宅建・簿記・FP・ITパスポート
What it does
One app with practice questions for 49 Japanese exams across 34 qualifications, each with its own study record and exam date.
Content and features
49 exams, 34 qualifications / Explanations for every choice / Automatic review of missed questions / Daily target from your exam date
Requirements
iOS 16.0 or later
Free access and purchases
The first 10 questions of every qualification are free. Full questions and mock exams are a one-time in-app purchase per qualification, not a subscription.
Before choosing
Japanese-language exam practice. Not an official app of any exam body and no pass guarantee. Most questions download when you open a qualification; the first 10 work offline.

iOS facts checked: · Current App Store listing and purchase terms ↗

3-QUESTION CHECK

Try three questions.
Can you recall the reason?

After each answer, read the explanation for every choice in Japanese. No typing or sign-up is required.

QUESTION 1 / 3

予混合気を燃やすバーナの現象を学ぶ。Pでは炎の根元が炎口から離れて浮き上がり、Qでは炎が炎口より上流のバーナ内部へ進んだ。名称の対応として適切なのはどれか。実際の火炎に対する操作方法は問わない。

本ページの3問は Particles and Waves の独自問題です。高圧ガス保安協会が公表した試験問題の転載ではなく、同協会の公式ページでもありません。

CONTINUE IN THE APP

Continue in the Keyholder app.

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.