SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics Second Law of Thermodynamics and Entropy Carnot's Theorem and its Corollary
Which of the following statements is true about the Carnot cycle?
1
It involves only two reversible isothermal processes.
2
It is a reversible cycle.
3
Its efficiency depends only on the pressure difference between the two reservoirs.
4
The efficiency of the Carnot cycle is always less than that of any other heat engine operating between the same two temperatures.