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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Three fluids
Two fluids
None of the listed here
Single fluid

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Refrigeration and Air Conditioning
During heating and dehumidification process, dry bulb temperature

None of these
Decreases
Increases
Remains constant

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Refrigeration and Air Conditioning
In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at

High pressure side close to receiver
Low pressure side near receiver
Suction of compressor
Delivery of compressor

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Refrigeration and Air Conditioning
The vertical and uniformly spaced lines on a psychrometric chart indicates

Dew point temperature
Dry bulb temperature
Specific humidity
Wet bulb temperature

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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

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

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Is more than 1
Is equal to 1
Depends upon the make
Is less than 1

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MORE MCQ ON Refrigeration and Air Conditioning

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