A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Options: A . &nbspVapor compression cycle using expansion valve B . &nbspAir refrigeration cycle C . &nbspVapor compression cycle using expansion engine D . &nbspCarnot refrigeration cycle

A refrigeration cycle is a reversed heat engine. Which of the following has the

Question

A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?

Options:

A . Vapor compression cycle using expansion valve

B . Air refrigeration cycle

C . Vapor compression cycle using expansion engine

D . Carnot refrigeration cycle

Answer: Option D

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