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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

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

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

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

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Refrigeration and Air Conditioning
The bank of tubes at the back of domestic refrigerator is

Evaporator tubes
Capillary tubes
Refrigerant cooling tubes
Condenser tubes

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Refrigeration and Air Conditioning
The advantage of dry compression is that

It permits complete evaporation in the evaporator
It results in high volumetric and mechanical efficiency
All of these
It permits higher speeds to be used

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

Soap and water
Halide torch
All of these
Sulphur sticks

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Refrigeration and Air Conditioning
Wet bulb temperature is the temperature of air recorded by a thermometer, when

It is not affected by the moisture present in the air
Its bulb is surrounded by a wet cloth exposed to the air
The moisture present in it begins to condense
None of these

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