Heat Is Lost Through a Plane Wall Steadily at a Rate

Multiple Choice

Heat is lost through a plane wall steadily at a rate of 750 W. If the inner and outer surface temperatures of the wall are 50°C and 15°C, respectively, the rate of entropy generation within the wall is

A) 0.0289 W/K
B) 2.10 W/K
C) 2.08 W/K
D) 0.111 W/K
E) 48.0 W/K