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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

10 tons
0.1 ton
40 tons
5 tons

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Refrigeration and Air Conditioning
In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at

Suction of compressor
Low pressure side near receiver
Delivery of compressor
High pressure side close to receiver

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

None of these
Less than
Equal to
More than

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Dew point temperature decreases
Dry bulb temperature increases
Wet bulb temperature decreases
All of these

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Refrigeration and Air Conditioning
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

High, of the order of 25°
As low as possible (3 to 11°C)
Any value
Zero

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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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MORE MCQ ON Refrigeration and Air Conditioning

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