Class 3 Refrigeration Exam JP
Study for Japan Class 3 Refrigeration Engineer exam with Q&A, offline
About Class 3 Refrigeration Exam JP
A study app for the Japan Class 3 Refrigeration Machinery Responsible Engineer (第三種冷凍機械責任者) exam. Study efficiently with practice questions and detailed explanations across all subjects.
■ Subjects Covered
• Refrigeration Principles and Refrigerants
• Refrigeration Equipment (Compressor / Condenser / Evaporator / Expansion Valve)
• Auxiliary Devices, Automatic Control and Safety
• Operation, Maintenance and Inspection
• Laws and Regulations (High Pressure Gas Safety Act)
■ Study Modes
• Random practice (10 / 25 / 50 / 100 questions)
• Study by subject
• All questions in order (resume supported)
• Review incorrect answers
• Bookmarks and unanswered questions
■ Progress Tracking
• Automatic tracking of correct answer rate
• Subject-by-subject performance overview
Works completely offline — study anytime, anywhere.
■ Reference Source
• https://www.khk.or.jp/ (High Pressure Gas Safety Institute of Japan)
※ This app is an independent study tool and is not affiliated with any examination body. Content is based on general exam scope and may differ from the actual exam due to law revisions.
Similar Apps
Night vision style camera
Use a green night vision filter to create military‑style photos with cool effect
Black and White Camera
A simple camera that can take black and white binary images.
Remote Vibration Communication
Communicate a message remotely by vibration
Kaleidoscope Photo: Mirror
A photo you already have becomes a kaleidoscope. Four patterns, saved square.
Kaleidoscope Camera: Mirror
The camera view becomes a live kaleidoscope. Four patterns, photo and video.
Low Quality Camera: Tiny Files
Shoot on purpose at low resolution. Five sizes from 96x128, photos from 3 KB.