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Reported Question / Answer
Q.) The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.
1)
work
2)
kinematic viscosity
3)
none of these
4)
temperature
5)
NULL
Answer :
3
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Human Verification : Answer 2 + 3 = ?
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