Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The C.O.P. of a heat pump working on a reversed Carnot cycle is
A:
B:
C:
D:
Answer: D
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The relative humidity lines on a psychrometric chart are
A:
vertical and uniformly spaced
B:
horizontal and uniformly spaced
C:
horizontal and non-uniformly spaced
D:
curved lines
Answer: D
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The expansion valve in a refrigerator controls the flow of refrigerant.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called
A:
Kinetic theory of gases
B:
Newton's law of gases
C:
Dalton's law of partial pressures
D:
Avogadro's hypothesis
Answer: C
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A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
A:
dry air
B:
moist air
C:
saturated air
D:
specific humidity
Answer: C
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