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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The relative coefficient of performance is

None of these
Actual COP × theoretical COP
Actual COP/theoretical COP
Theoretical COP/actual COP

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Higher than
Lower than
Same as
None of these

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

14°C
5°C
8°C
22°C

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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

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

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Cooling and dehumidification
Dehumidification
Humidification
Heating and humidification

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Specific humidity
Dry bulb temperature
Wet bulb temperature
Dew point temperature

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MORE MCQ ON Refrigeration and Air Conditioning

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