Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The condition for the reversibility of a cycle is. | |
A. | the pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process [Wrong Answer] |
B. | all the processes, taking place in the cycle of operation, must be extremely slow [Wrong Answer] |
C. | the working parts of the engine must be friction free [Wrong Answer] |
D. | all of the above [Correct Answer] |