Q19
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
AnswerD.
It leads to significant cost reduction
Answer: Option C
Solution
Answer: Option C
Solution:
In a vapour compression refrigeration system, a throttle valve is used in place of an expander because The positive work in isentropic expansion of liquid is very small