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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The vertical and uniformly spaced lines on a psychrometric chart indicates

Specific humidity
Dry bulb temperature
Wet bulb temperature
Dew point temperature

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Relative humidity
Wet bulb temperature
Specific humidity
Dry bulb temperature

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Refrigeration and Air Conditioning
Air refrigerator works on

None of these
Reversed Carnot cycle
Bell Coleman cycle
Both (A) and (B)

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Refrigeration and Air Conditioning
Ammonia is

Highly toxic and inflammable
Non-toxic
Non-inflammable
Toxic and non-inflammable

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Refrigeration and Air Conditioning
The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as

Dew point temperature
Mean radiant temperature
None of the listed here
Effective temperature

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Refrigeration and Air Conditioning
During heating and humidification, the final relative humidity of air

Is lower than that of the entering air
Is higher than that of the entering air
Can be lower or higher than that of the entering air
None of the listed here

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