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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Higher than
Lower than
Same as
None of the listed here

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Refrigeration and Air Conditioning
The advantage of dry compression is that

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

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

None of these
More than
Less than
Equal to

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Remains constant
None of these
Decreases
Increases

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Remains constant
None of the listed here
Decreases
Increases

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Refrigeration and Air Conditioning
For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is

20
Zero
100
50

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MORE MCQ ON Refrigeration and Air Conditioning

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