## Fundamentals of Engineering Thermodynamics 8th Edition

(b) 3.87, COP = $\frac{Thot}{(Thot - Tcold)}$ = $\frac{773 K}{200 }$= 3.87
(b) 3.87, COP = $\frac{Thot}{(Thot - Tcold)}$ = $\frac{773 K}{200 }$= 3.87