Examveda
Examveda

The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

A. Enthalpy

B. Internal energy

C. Entropy

D. External energy

Answer: Option C


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Comments ( 1 )

  1. Black Kelvin
    Black Kelvin :
    4 years ago

    COP of refrigerator is 3.4 then the COP of heat pump is

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