Choose the correct answer Reversed Carnot cycle is not practically feasible beca

Question

Choose the correct answer Reversed Carnot cycle is not practically feasible because no suitable refrigerant is available impossible to achieve high moisture expansion in turbine compression always involves fluid in vapor phase very low COP COP of a refrigerator is: greater than COP of heat pump equal to COP of Heat pump less than the COP of heat pump always zero Pure Ammonia after leaving Evaporator in a vapor absorption refrigeration system enters: condenser Absorber Regenerator Rectifier Compared to Vapor compression systems. Absorption refrigeration systems (ARS) has the following major advantage: less work input since liquid is compressed less expensive They can be used for residential applications use of electrical energy Which statement is true? Ammonia absorption system is cheaper than vapor compression system Ammonia absorption system is less complex than vapor compression system Vapor compression system makes use of water-lithium bromide combin

Explanation / Answer

Ans 21. D. Very low COP

COP for a reversed carnot cycle is 5. And in practical , it is impossible to get COP more than 5.

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