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Which of the following statements is correct with reference to perpetual motion machines of the first kind?

Which of the following statements is correct with reference to perpetual motion machines of the first kind? Correct Answer It produces work without receiving heat 

Explanation:

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 that 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 that violates the first law of thermodynamics. It is impossible to devise a PMMFK.

Additional Information

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.

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  • Thus, it violates the second law of thermodynamics and It is a hypothetical machine. 

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