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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Gas liquefaction
Commercial refrigerators
Domestic refrigerators
Air conditioning

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant is dry saturated vapour

Before entering the compressor
After leaving the compressor
Before entering the condenser
After leaving the condenser

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Refrigeration and Air Conditioning
Most air cooled condensers are designed to operate with a temperature difference of

8°C
5°C
22°C
14°C

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

Compressor
Condenser
Expansion valve
Evaporator

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Refrigeration and Air Conditioning
In vapour compression cycle the condition off refrigerant is dry saturated vapour

After passing through the condenser
Before entering the compressor
After passing through the expansion or throttle valve
Before passing through the condenser

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Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

CO?
All of these
Ammonia
R-12

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MORE MCQ ON Refrigeration and Air Conditioning

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