Dry bulb temperature is the temperature of air recorded by a thermometer, when - Heat Transfer, Refrigeration and Air Conditioning Quiz

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

Dry bulb temperature is the temperature of air recorded by a thermometer, when

the moisture present in it begins to condense

it is not affected by the moisture present in the air

its bulb is surrounded by a wet cloth exposed to the air

None of the above

Correct Answer : Option (B) : it is not affected by the moisture present in the air

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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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relative humidity

wet bulb temperature

Correct Answer : dry bulb temperature