engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy
If a heat engine produces work only by interacting with one source. What kind of machine is this?
1
Perpetual motion machine of first kind (PMM1)
2
Perpetual motion machine of second kind (PMM2)
3
Perpetual motion machine of the third kind (PMM3)
4
None of these