PMM 2 stands for _________
Perpetual Motion Machine-2
PMM2 means Perpetual Motion Machine of the Second Kind. It is a hypothetical cyclic device whose sole effect would be to take heat from one reservoir and convert all of it into work. It violates the second law, rather than creating energy in violation of the first law.
Important Questions from Statements of Second Law of Thermodynamics
Which law of thermodynamics assigns a quality to different form of energy, and also indicates the direction of any spontaneous process?
The heat flows from a cold body to a hot body with aid of an external source. The statement is given by
- The direction of the natural process is defined by ______.
Identify the correct option with respect to the second law of thermodynamics.
I) It gives the concept of temperature
II) It gives the concept of internal energy
III) it gives the concept of entropy
Which of following is true with respect to PMM2?
