Ko4Study - Fire Exam Japan
Class A Type 4 Inspector Prep
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About
This app is a comprehensive study tool for the Japanese Fire Equipment Inspector Class A Type 4 exam. It includes 390+ multiple choice questions, 200 flashcards, wiring calculation exercises, system diagram practice, mock exams, and a photo gallery of real fire detection equipment. All content works offline. Track your progress and study efficiently for the national exam.
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What's New in Ko4Study
1.4.0
September 16, 2026
We reviewed all study content and corrected the errors we found. - Results from identification, wiring and detector selection exercises are now saved. You can revisit practical questions you answered incorrectly. - Added 9 identification questions using real equipment photos (71 total) - You can now report a problem to the developer from the explanation screen - Corrected explanations of installation requirements, detector selection and wiring counts - Clarified the mock exam format and how results are judged Your study records and bookmarks carry over unchanged.
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