Particles and WavesPAW

資格のキーホルダー · Indoor hydrants, sprinklers and more

Fire Equipment Officer Class 1 (A and B)

Regulations, basics and equipment, with every choice explained.

The Keyholder app includes original courses for Class A-1 (312 questions) and B-1 (274). Written mocks: 45 questions in 170 minutes (A) and 30 in 90 minutes (B). The practical part is practised separately as four-choice questions with drawn figures and is not in the mocks. A and B are separate purchases.

312 + 274 questionsWritten mock examsPractical part as figure-based practice
312 + 274 questionsFire Equipment Officer Class 1 (A and B) 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

鋼の熱処理と、加熱後の冷却方法の組合せとして、正しいものは次のうちどれか。

本ページの3問は Particles and Waves の独自問題(甲種第1類のコースから)です。消防試験研究センターが公表した問題の転載ではなく、同センター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.