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According to Kelvin – Planck statement, a perpetual motion machine

According to Kelvin – Planck statement, a perpetual motion machine Correct Answer Of second kind is impossible

Explanation:

Perpetual motion machine of the second kind (PMM2): 

  • A fictitious machine that produces net-work in a complete cycle by exchanging heat with only one reservoir is called the PMM2.
  • It violates the Kelvin-Plank statement.

Additional Information

Perpetual motion machine of the first kind (PMM1):

  • The first law of thermodynamics states that energy can neither be created nor be destroyed. It can only get transformed from one form to another form.
  • An imaginary device which would produce work continuously without absorbing any energy from its surroundings is called a Perpetual Motion Machine of the First kind, (PMMFK).
  • A PMMFK is a device which violates the first law of thermodynamics. It is impossible to devise a PMMFK.

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  • The converse of the above statement is also true, i.e., there can be no machine that would continuously consume work without some other form of energy appearing simultaneously. 
  • PMM-I violates the first law of thermodynamics

 

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