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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

decreases
depends on other factors
remains same
increases

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

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

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Refrigeration and Air Conditioning
The capillary tube, as an expansion device, is used in

Domestic refrigerators
All of these
Room air conditioners
Water coolers

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Refrigeration and Air Conditioning
The curved lines on a psychrometric chart indicates

Relative humidity
Wet bulb temperature
Dew point temperature
Dry bulb temperature

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Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Commercial refrigerators
Domestic refrigerators
Air conditioning
Gas liquefaction

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Refrigeration and Air Conditioning
The advantage of dry compression is that

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

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MORE MCQ ON Refrigeration and Air Conditioning

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