Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The leakage in a refrigeration system using freon is detected by
A:
halide torch
B:
sulphur sticks
C:
soap and water
D:
all of these
Answer: A
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The condition of refrigerant after passing through the condenser in a vapour compression system is
A:
saturated liquid
B:
wet vapour
C:
dry saturated vapour
D:
superheated vapour
Answer: A
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The capacity of a domestic refrigerator is in the range of
A:
0.1 to 0.3 TR
B:
1 to 3 TR
C:
3 to 5 TR
D:
5 to 7 TR
Answer: A
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In mechanical refrigeration system, the refrigerant has the maximum temperature
A:
in evaporator
B:
before expansion valve
C:
between compressor and condenser
D:
between condenser and evaporator
Answer: C
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Planck's law holds good for all coloured bodies.
A:
True
B:
False
C:
D:
Answer: A
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