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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Expansion valve
Compressor
Condenser
Evaporator

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Refrigeration and Air Conditioning
The C.O.P. of a heat pump working on a reversed Carnot cycle is

(T₂ - T₁)/T₁
(T₁ - T₂)/T₁
T₂/(T₂ - T₁)
T₁/(T₂ - T₁)

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Refrigeration and Air Conditioning
The refrigerant supplied to a compressor must be

A mixture of liquid and vapour refrigerant
None of these
Superheated vapour refrigerant
Dry saturated liquid refrigerant

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Refrigeration and Air Conditioning
In a refrigeration system, heat absorbed in comparison to heat rejected is

More
More for small capacity and less for high capacity
Same
Less

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Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

None of these
Specific
Relative
Absolute

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Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High sensible heat
High latent heat
High total heat
Low latent heat

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