Ko4Study - Fire Exam Japan
Class A Type 4 Inspector Prep
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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
2.0.0
October 3, 2026
Expanded wiring practice to 65 exercises and added a step-by-step solving mode. Added 9 new construction and drawing exercises, including more detailed practice on feed wiring and end-of-line resistor routing. Also added an unanswered-only study option, refreshed wiring diagrams for a more consistent layout, moved detailed conditions into collapsible notes, and revised explanations and diagrams for clarity.
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