A. cyclic process
B. operated at certain temperature difference
C. both A and B
D. none of these
Correct Answer: both A and B ✔
Last Updated: January 20, 2021
A. cyclic process
B. operated at certain temperature difference
C. both A and B
D. none of these
Correct Answer: both A and B ✔
Last Updated: January 20, 2021