engineering recuitment BMC Sub Engineer Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Statements of Second Law of Thermodynamics
According to Kelvin - Planck statement
1
It is impossible to construct a device which operates in a cycle and produces no effect other than the transfer of heat from a cooler body to a hotter body
2
It is impossible for a heat engine to produce net work in a complete cycle if it exchanges heat only with bodies at a single fixed tap
3
Heat can be converted into work
4
More than one of the above
5
None of the above