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Refrigeration and Air Conditioning

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

Condenser
Expansion valve
Compressor
Evaporator

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Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Coefficient of performance of refrigeration
Refrigerating efficiency
Relative coefficient of performance
Coefficient of performance of heat pump

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Degree of saturation
Dew point depression
Dry bulb depression
Wet bulb depression

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Refrigeration and Air Conditioning
For obtaining high COP, the pressure range of compressor should be

Any value
High
Low
Optimum

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Condenser and receiver
Receiver and evaporator
Evaporator and compressor
Compressor and condenser

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called

Wet bulb temperature
Dew point temperature
Dry bulb temperature
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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