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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Degree of saturation
Wet bulb depression
Dry bulb depression
Dew point depression

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Remains constant
None of the listed here
Decreases
Increases

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Refrigeration and Air Conditioning
In chemical dehumidification process,

All of these
Dew point temperature decreases
Dry bulb temperature increases
Wet bulb temperature decreases

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

50 kcal/ hr
50 kcal/ min
80 kcal/ min
80 kcal/ hr

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Refrigeration and Air Conditioning
The reduced ambient air cooling system has

One cooling turbine and one heat exchanger
Two cooling turbines and one heat exchanger
One cooling turbine and two heat exchangers
Two cooling turbines and two heat exchangers

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Refrigeration and Air Conditioning
The sub-cooling in a refrigeration cycle

Decreases C.O.P.
Increases C.O.P.
None of these
Does not alter C.O.P.

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