engineering recuitment AAI JE Technical Mock Test 2020-21 Thermodynamics Second Law of Thermodynamics and Entropy Clausius Inequality
Which one of the following pairs of equations describes an irreversible heat engine ?
1
\(\oint \delta Q > 0\;and\;\oint \frac{{\delta Q}}{T} < 0\)
2
\(\oint \delta Q < 0\;and\;\oint \frac{{\delta Q}}{T} < 0\)
3
\(\oint \delta Q > 0\;and\;\oint \frac{{\delta Q}}{T} > 0\)
4
\(\oint \delta Q < 0\;and\;\oint \frac{{\delta Q}}{T} > 0\)