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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Compressor discharge
Receiver
Expansion valve
Evaporator

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Refrigeration and Air Conditioning
Critical pressure of a liquid is the pressure

Above which liquid becomes vapour
Above which liquid will remain liquid
Above which liquid becomes solid
Above which liquid becomes gas

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Refrigeration and Air Conditioning
The specific humidity during humidification process

None of these
Increases
Decreases
Remains constant

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

None of these
Does not alter C.O.P.
Increases C.O.P.
Decreases C.O.P.

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Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Superheated vapour
Wet vapour
Saturated liquid
Dry saturated vapour

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Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

Ammonia vapour goes into solution
Weak solution mixes with strong solution
Lithium bromide mixes with ammonia
Ammonia vapour is driven out of solution

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MORE MCQ ON Refrigeration and Air Conditioning

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