Class 7 Science MCQs - Chapter 11
Heat Transfer Trivia Questions & Answers PDF Download - 24
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The Quiz: The good conduction of heat by metals is due to; "Heat Transfer" App APK Download with answers: Arrangement of particles; Collision of particles; Vibration of particles; Size of particles; to study online certification courses. Practice Heat and Temperature MCQ Questions, download Kindle eBook (Free Sample) for online elementary school classes.
Heat Transfer Test Questions and Answers PDF Download: MCQ 24
The good conduction of heat by metals is due to
- collision of particles
- arrangement of particles
- vibration of particles
- size of particles
If air is heated, it
- rises
- falls
- compresses
- gets dense
The circulating movement of air is known as
- conduction current
- convection current
- radiation current
- air current
To prevent loss of heat through walls, the walls must be
- insulated
- conducted
- painted black
- painted dull
If a radiator is installed in a room, it warms air by the process of
- conduction
- convection
- radiation
- warming
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