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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Bell Coleman cycle is a

Reversed Carnot cycle
Reversed Otto cycle
Reversed Joule cycle
Reversed Rankine cycle

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Refrigeration and Air Conditioning
During sensible cooling,

Relative humidity remains constant
Specific humidity increases
Partial pressure of vapour remains constant
Wet bulb temperature increases

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Humidification
Heating and humidification
Cooling and dehumidification
Dehumidification

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

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

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

Before entering the compressor
After passing through the condenser
Before passing through the condenser
After passing through the expansion or throttle valve

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Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of cooling medium
Of evaporator
At which refrigerant gas becomes liquid
Of freezing zone

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MORE MCQ ON Refrigeration and Air Conditioning

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