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Refrigeration and Air Conditioning

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

Same as
Higher than
None of these
Lower than

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is

Wet vapour
Dry vapour
High pressure saturated liquid
Very wet vapour

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Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Evaporator
Expansion valve
Compressor
Condenser

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

Suction pressure
Discharge pressure
Back pressure
Critical pressure

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Refrigeration and Air Conditioning
The relative coefficient of performance is equal to

(Actual C.O.P.) × (Theoretical C.O.P.)
(Actual C.O.P.) /(Theoretical C.O.P.)
None of these
(Theoretical C.O.P.)/ (Actual C.O.P.)

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

Tow specific heat of liquid
High latent heat of vaporisation
Higher critical temperature
High boiling point

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MORE MCQ ON Refrigeration and Air Conditioning

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