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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The coefficient of performance is the ratio of the refrigerant effect to the

All of these
Enthalpy increase in compressor
Heat of compression
Work done by compressor

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

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

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Water and water
Water and lithium bromide
Ammonia and lithium bromide
Ammonia and water

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Dry bulb temperature
Specific humidity
Relative humidity
Wet bulb temperature

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant is dry saturated vapour

After leaving the compressor
Before entering the condenser
After leaving the condenser
Before entering the compressor

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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 solid
Above which liquid becomes gas

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MORE MCQ ON Refrigeration and Air Conditioning

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