In a vapour compression refrigeration system, a throttle valve is used in place of an expander because - Heat Transfer, Refrigeration and Air Conditioning Quiz

Mechanical Engineering : Heat Transfer, Refrigeration and Air Conditioning - Quiz(MCQ)

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

it leads to significant cost reduction

it considerably reduces mass of the system

the positive work in isentropic expansion of liquid is very small

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

Correct Answer : Option (C) : the positive work in isentropic expansion of liquid is very small

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