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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The condition of refrigerant as it leaves the compressor in a vapour compression system is

Wet vapour
Superheated vapour
Dry saturated vapour
Saturated liquid

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called

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

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Water and lithium bromide
Ammonia and water
Ammonia and lithium bromide
Water and water

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

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

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Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

Relative
Specific
Absolute
None of these

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using ammonia is detected by

Halide torch
Sulphur sticks
Soap and water
All of these

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