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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Saturation point of vapour
Sublimation temperature
Triple point
Saturation point of liquid

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Refrigeration and Air Conditioning
An evaporator is also known as

Freezing coil
All of these
Chilling coil
Cooling coil

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Refrigeration and Air Conditioning
The thermostatic expansion valve operates on the changes in the

Degree of superheat at exit from the evaporator
Temperature of the evaporator
None of these
Pressure in the evaporator

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

Dry bulb temperature
Relative humidity
Wet bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Carbon dioxide
R-12
Sulphur dioxide
Lithium bromide

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Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

Equal to
Greater than
None of the listed here
Less than

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