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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

Positive
Negative
None of the listed here
Zero

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Refrigeration and Air Conditioning
In a refrigerating machine, heat rejected is _________ heat absorbed.

Less than
Equal to
None of these
Greater than

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Refrigeration and Air Conditioning
For obtaining high COP, the pressure range of compressor should be

Any value
Optimum
Low
High

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called

Wet bulb temperature
Dry bulb temperature
Dew point temperature
None of these

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Refrigeration and Air Conditioning
The minimum temperature to which water can be cooled in a cooling tower is

Ambient air temperature
Wet bulb temperature of air
Dew point temperature of air
Dry bulb temperature of air

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Expansion
Compression
Evaporation
Condensation

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MORE MCQ ON Refrigeration and Air Conditioning

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