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Refrigeration and Air Conditioning

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

Wet vapour
Superheated vapour
Saturated liquid
Dry saturated vapour

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Refrigeration and Air Conditioning
Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?

Carbon dioxide
Ammonia
Fluorine
Sulphur dioxide

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Refrigeration and Air Conditioning
A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

Carbon dioxide
Freon
Brine
Ammonia

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Evaporator and compressor
Compressor and condenser
Condenser and receiver
Receiver and evaporator

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

More than
None of these
Less than
Equal to

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

Relative
None of these
Specific
Absolute

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MORE MCQ ON Refrigeration and Air Conditioning

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