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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of freezing zone
At which refrigerant gas becomes liquid
Of evaporator
Of cooling medium

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Refrigeration and Air Conditioning
Reducing suction pressure in refrigeration cycle

Increases power required per ton of refrigeration
All of these
Lowers compressor capacity because vapour is lighter
Lowers evaporation temperature

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Evaporator
Compressor
Condenser
Expansion valve

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Refrigeration and Air Conditioning
The condition of refrigerant as it leaves the compressor in a vapour compression system is

Dry saturated vapour
Wet vapour
Saturated liquid
Superheated vapour

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Condenser, absorber and separator (rectifier)
Evaporator
Condenser
Absorber

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Refrigeration and Air Conditioning
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.

None of these
Less
Same
More

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MORE MCQ ON Refrigeration and Air Conditioning

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