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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

All of these
Sulphur sticks
Halide torch
Soap and water

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Refrigeration and Air Conditioning
The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents

Compression of the refrigerant vapour
Evaporation of the refrigerant liquid
Metering of the refrigerant liquid
Condensation of the refrigerant vapour

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Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Increases
Decreases
None of these
Remains constant

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Refrigeration and Air Conditioning
The relative coefficient of performance is

None of these
Actual COP/theoretical COP
Theoretical COP/actual COP
Actual COP × theoretical COP

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Refrigeration and Air Conditioning
The superheated vapour region, in a pressure enthalpy chart, is represented by the space

None of these
To the left of saturated liquid line
Between the saturated liquid line and saturated vapour line
To the right of saturated liquid line

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Specific humidity
Dry bulb temperature
Dew point temperature
Wet bulb temperature

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MORE MCQ ON Refrigeration and Air Conditioning

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