Class 7 Science MCQs - Chapter 11
Heat Transfer Trivia Questions & Answers PDF Download - 12
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The Heat transfer Trivia Questions and Answers PDF (heat transfer Quiz Answers PDF e-Book) download Ch. 11-12 to study Grade 7 Science Course. Practice Radiation and Heat Transfer MCQ PDF, Heat Transfer Quiz Questions and Answers to study online schools courses. The Heat Transfer Trivia App Download: Free certification app for radiation and heat transfer, applications of heat, saving heat, radiation and greenhouse effect test prep for elementary school graduation certificate.
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Heat Transfer Test Questions and Answers PDF Download: MCQ 12
For transferring of heat, conduction and convection need a
- vacuum
- space
- sphere
- medium
The inner two walls of the flask are made of
- steel
- metalloid
- glass
- metal
The excessive loss of heat is also harmful for
- environment
- surroundings
- trees and forests
- glaciers
Global warming causes
- extreme weather and climate changes
- extreme cold in summer
- skin cancers
- skin burns
If we melt magnesium, it would start to give
- yellow glow
- white light
- orange glow
- blue shine
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