The coefficient of performance of vapour compression refrigeration system is quite __________ as compared to air refrigeration system. - Heat Transfer, Refrigeration and Air Conditioning Quiz

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

The coefficient of performance of vapour compression refrigeration system is quite __________ as compared to air refrigeration system.

low

high

Can Not Say

None of the above

Correct Answer : Option (B) : high

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The value of the wave length for maximum emissive power is given by

Wein's law

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Planck's law

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Correct Answer : Wein's law

Emissivity of a body will be equal to its absorptivity at all temperatures.

Yes

Can Not Say

None of the above

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During dehumidification process, __________ remains constant.

specific humidity

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relative humidity

wet bulb temperature

Correct Answer : dry bulb temperature