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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
183

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

183) During dehumidification process, __________ remains constant.

wet bulb temperature

relative humidity

dry bulb temperature

specific humidity

Answer is:

dry bulb temperature

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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

Kirchhoff's law

Stefan's law

Wein's law

Planck's law

Answer is:

Wein's law

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

Yes

No

Unknown

None

Answer is:

No

186) R-12 is generally preferred over R-22 in deep freezers since

it has low operating pressures

it gives higher coefficient of performance

it is miscible with oil over large range of temperatures

all of the above

Answer is:

it is miscible with oil over large range of temperatures

187) The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called

wet bulb temperature

dry bulb temperature

dew point temperature

none of these

Answer is:

wet bulb temperature

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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