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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Discharge pressure
Suction pressure
Back pressure
Critical pressure

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Compressor
Condenser
Evaporator
Expansion valve

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

All of these
Circulate the refrigerant through the refrigerating system
Raise the pressure of the refrigerant
Raise the temperature of the refrigerant

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Compression
Expansion
Evaporation
Condensation

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Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Small
Anything
High
Equal

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Refrigeration and Air Conditioning
The evaporator changes the low pressure liquid refrigerant from the expansion valve into

High pressure liquid refrigerant
Low pressure liquid and vapour refrigerant
Low pressure vapour refrigerant
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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