Question

For a compression or heating process what is the expression for effectiveness  $\varepsilon$?

(a) $\varepsilon =\frac{Increase of availability of the surroundings}{Loss of availity of the system}$

(b)  $\varepsilon =\frac{Increase of availability of the surroundings}{Loss of availity of the surroundings}$

(c)  $\varepsilon =\frac{Loss of availity of the surroundings}{Increase of availability of the system}$

(d)$\varepsilon =\frac{Loss of availity of the system}{Increase of availability of the surroundings}$

 

Answer 1

I think option A is correct