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Refrigeration and Air Conditioning

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

None of the listed here
Decreases
Increases
Remains constant

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Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Triple point
Saturation point of liquid
Sublimation temperature
Saturation point of vapour

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

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

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Refrigeration and Air Conditioning
Bell Coleman cycle is a

Reversed Rankine cycle
Reversed Carnot cycle
Reversed Otto cycle
Reversed Joule cycle

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Refrigeration and Air Conditioning
The bank of tubes at the back of domestic refrigerator is

Refrigerant cooling tubes
Evaporator tubes
Capillary tubes
Condenser tubes

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Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Constant pressure expansion process
Constant pressure cooling process
Isentropic compression process
Isentropic expansion process

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