資格のキーホルダー · First-stage exams for Grades 1 and 2
Electrical Construction Manager (Grades 1 and 2, first stage)
Electrical engineering, management and regulations, with every choice explained.
The Keyholder app includes original questions for the first-stage exams: Grade 1 (445) and Grade 2 (310), each in five sets with mocks where you choose the required number of questions (Grade 1: 60 questions, 150 + 120 minutes; Grade 2: 40 questions, 150 minutes). Grades are separate purchases. The second stage is not included.
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
交流負荷の模型で、皮相電力を20kVAに一定とする。力率が0.60の状態Aと0.90の状態Bの有効電力の組合せはどれか。高調波や損失はこの模型では無視する。
本ページの3問は Particles and Waves の独自問題です。建設業振興基金が公表した試験問題の転載ではなく、同基金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.