Question
Download Solution PDFWhich of the following statements holds true, according to Kelvin Planck’s statement?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Perpetual motion machine of the second kind (PMM2): A fictitious machine which produces net work in a complete cycle by exchanging heat with only one reservoir is called the PMM2.
It violates the Kelvin plank statement.
If Q2 = 0
i.e. Wnet = Q1
or Efficiency = 100%
The heat engine will produce net work in a complete cycle by exchanging heat with only the Signal reservoir thus violating the Kelvin-Plank statement.
Thus, PMM2 violates the second law of thermodynamics and It is a hypothetical machine.
Thus a perpetual motion machine is a hypothetical machine whose operation would violate the law of thermodynamics.
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