The space between the two walls of a thermos flask is evacuated because vacuum is a __________ conductor of heat. - Heat Transfer, Refrigeration and Air Conditioning Quiz

Mechanical Engineering : Heat Transfer, Refrigeration and Air Conditioning - Quiz(MCQ)

The space between the two walls of a thermos flask is evacuated because vacuum is a __________ conductor of heat.

good

bad

Can Not Say

None of the above

Correct Answer : Option (B) : bad

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