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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Domestic refrigerators
Commercial refrigerators
Air conditioning
Gas liquefaction

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Refrigeration and Air Conditioning
Air refrigeration operates on

Reversed Carnot cycle
Rankine’s cycle
Brayton cycle
Carnot cycle

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

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

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Refrigeration and Air Conditioning
The boiling point of ________ is 10.5°C.

Sulphur dioxide
Ammonia
Carbon dioxide
R-12

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Refrigeration and Air Conditioning
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

Cooled and dehumidified
Heated and humidified
Heated and dehumidified
Cooled and humidified

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Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Decrease
Increase
May increase or decrease depending on the type of refrigerant used
Remain unaffected

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MORE MCQ ON Refrigeration and Air Conditioning

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