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
A scientist says that the efficiency of his heat engine which operates at source temperature 127°C and sink temperature 27°C is 26%, then
1
it is impossible
2
it is possible but less probable
3
It is quite probable
4
Data is incomplete