Find the availability when 100 kw is delivered at 500 k when the ambient temperature is 300 k

Physics
1

find the availability when 100 kw is delivered at 500 k when the ambient temperature is 300 k

2

find the availability when 100 kw is delivered at 500 k when the ambient temperature is 300 k

Answer:

Φ = W(revHE) = [1-(To/T)]Q = [1-(300/500)](100) = 40 kW

The correct answer 40 kW