822Mechanical EngineeringMedium
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be________?
A600°K
B625°K
C700°K
D750°K
E650°K
Correct answer
E. 650°K
Explanation
The correct answer is 650°K.