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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Discharge pressure
Back pressure
Suction pressure
Critical pressure

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Refrigeration and Air Conditioning
Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

Strong solution to weak solution
Ammonia vapours to weak solution
Strong solution to ammonia vapour
Weak solution to strong solution

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Refrigeration and Air Conditioning
The wet bulb temperature during sensible heating of air

Remains constant
Increases
None of these
Decreases

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Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Isentropic compression process
Constant pressure expansion process
Isentropic expansion process
Constant pressure cooling process

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Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Wet vapour
Liquid
Saturated liquid
Sub-cooled liquid

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

Wet vapour
Dry saturated vapour
Saturated liquid
Superheated vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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