Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The colour of the flame of halide torch, in case of leakage of freon refrigerant, will change to
A:
bright green
B:
yellow
C:
red
D:
orange
Answer: A
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The humidification process, on the psychrometric chart is shown by
A:
horizontal line
B:
vertical line
C:
inclined line
D:
curved line
Answer: B
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The desirable property of a refrigerant is
A:
low boiling point
B:
high critical temperature
C:
high latent heat of vaporisation
D:
all of these
Answer: D
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The cooling system used for supersonic aircrafts and rockets is
A:
simple air cooling system
B:
boot-strap air cooling system
C:
reduced ambient air cooling system
D:
regenerative air cooling system
Answer: D
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The relative coefficient of performance is equal to
A:
B:
C:
Actual C.O.P. x Theoretical C.O.P.
D:
none of these
Answer: B
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