Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The capacity of the cooling tower and spray ponds __________ as the wet bulb temperature of air decreases.
A:
increases
B:
decreases
C:
D:
Answer: A
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The cooling of air, without any change in its specific humidity, is known as sensible cooling.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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Dehydration is the process of removing water vapour from the surrounding air.
A:
True
B:
False
C:
D:
Answer: A
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The by-pass factor of a cooling coil decreases with
A:
decrease in fin spacing and increase in number of rows
B:
increase in fin spacing and increase in number of rows
C:
increase in fin spacing and decrease in number of rows
D:
decrease in fin spacing and decrease in number of rows
Answer: A
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The refrigerant carbon dioxide is not widely used because of its __________ power require ments per tonne of refrigeration and high operating pressures.
A:
low
B:
high
C:
D:
Answer: B
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