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Heat Transfer Refrigeration and Air Conditioning

Q1:

In a vapour compression refrigeration system, a throttle valve is used in place of an expander because

A it considerably reduces mass of the system

B it improves the C.O.P., as the condenser is small

C the positive work in isentropic expansion of liquid is very small

D it leads to significant cost reduction

ANS:C - the positive work in isentropic expansion of liquid is very small

Explanation: No answer description is available.



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