資格のキーホルダー · First-stage exams for Grades 1 and 2
Civil Engineering Construction Manager (Grades 1 and 2, first stage)
From basic knowledge to construction management, by grade.
The Keyholder app includes original questions for the first-stage exams: Grade 1 (415) and Grade 2 (259). Mock exams match the number of questions you answer: 70 in 270 minutes (Grade 1) and 45 in 130 minutes (Grade 2). One purchase covers both grades. The second-stage exam 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
一般の環境条件で用いるコンクリートの水セメント比について、土木工事共通仕様書に定められているものはどれか。
本ページの3問は Particles and Waves の独自問題です。全国建設研修センターが公表した試験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.