Q. 24. A Carnot engine receives 6 x 104 J from a reservoir at 600 K, does some workand rejects some heat to a reservoir at 500 K. Find (i) the heat rejected by theengine (ii) the work done by the engine (iii) the efficiency of the engine.( 25 Distinmuch betweenmotorond
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Explanation:
QH = 6 × 104 J, TH = 600K, TC = 500K
(i) The heat rejected by the engine
(ii) The work done by the engine, W = QH + QC = 6 x 104 J + (-5 x 104 J) = 1 x 104 J
(iii) The efficiency of the engine = W Q H WQH = 1 × 10 4 J 6 × 10 4 J 1×104J6×104J = 1 6 16 > 16.67 %
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