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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Compressor
Evaporator
Expansion valve
Condenser

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Refrigeration and Air Conditioning
On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process

Takes place at constant temperature
Takes place at constant entropy
Takes place at constant pressure
Involves no change in volume

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Remains constant
Decreases
None of these
Increases

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

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

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

Equal to
Less than
More than
None of these

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Refrigeration and Air Conditioning
The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

Less
More
Unpredictable
Equally

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MORE MCQ ON Refrigeration and Air Conditioning

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