What is the exergy of a system? - Thermodynamics

Q.  What is the exergy of a system?
- Published on 19 Aug 15

a. The minimum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings
b. The maximum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings
c. The maximum entropy that can be increased in a system till it reaches thermodynamic equilibrium with its surroundings
d. none of the above

ANSWER: The maximum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings

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