1.Which one of the following pairs of equations describes an irreversible heat engine?a.δQ>0\delta Q > 0δQ>0 and ∮δQT<0\oint \dfrac{\delta Q}{T} < 0∮TδQ<0b.δQ<0\delta Q < 0δQ<0 and ∮δQT<0\oint \dfrac{\delta Q}{T} < 0∮TδQ<0c.δQ>0\delta Q > 0δQ>0 and ∮δQT>0\oint \dfrac{\delta Q}{T} > 0∮TδQ>0d.δQ<0\delta Q < 0δQ<0 and ∮δQT→0\oint \dfrac{\delta Q}{T} \to 0∮TδQ→0Login to continueOnly logged in users canattempt or see the solution.
