In a vapour compression refrigeration system, a throttle valve is used – McqOptions

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1.	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
Answer» D. it leads to significant cost reduction

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