Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The value of the wave length for maximum emissive power is given by
A:
Kirchhoff's law
B:
Stefan's law
C:
Wein's law
D:
Planck's law
Answer: C
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Pressure of water vapour is given by
A:
B:
C:
D:
none of these
Answer: D
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During dehumidification process, __________ remains constant.
A:
wet bulb temperature
B:
relative humidity
C:
dry bulb temperature
D:
specific humidity
Answer: C
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For unsaturated air, the dew point temperature is __________ wet bulb temperature.
A:
equal to
B:
less than
C:
more than
D:
Answer: B
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The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A:
humidity ratio
B:
relative humidity
C:
absolute humidity
D:
degree of saturation
Answer: D
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