Railways Technical Ability Internal Combustion Engine (ICE) Question Bank Internal Combustion Engine (ICE)

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

    A) It considerably reduces the system weight.

    B) It improves the COP, as the condenser is small.

    C) The positive work in isentropic expansion of liquid is very small.

    D) It leads to significant cost reduction.

    Correct Answer: C


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