Example of reversed heat engine is – McqOptions

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1.	Example of reversed heat engine is
A.	heat pump
B.	refrigerator
C.	both of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

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For_a_reversible_heat_pump,_COP_is_given_by$
Efficiency of a reversible heat engine is given b?
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According to Carnot‚Äö√Ñ√∂‚àö√ë‚àö¬•s theorem, all heat engines operating between a given constant temperature source and sink, none has a higher efficiency than a reversible engine.$
Example of reversed heat engine is