Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium. - Heat Transfer, Refrigeration and Air Conditioning Quiz

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

Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium.

smaller body to larger body

cold body to hot body

hot body to cold body

larger body to smaller body

Correct Answer : Option (C) : hot body to cold body

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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

Correct Answer : Yes

During dehumidification process, __________ remains constant.

specific humidity

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wet bulb temperature

Correct Answer : dry bulb temperature