A reversible engine converts one-sixth of the heat input into work....
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0A reversible engine converts one-sixth of the heat input into work. When the temperature of the sink is reduced by \( 62^{\circ} \mathrm{C} \),
\( \mathrm{P} \) the efficiency of the engine is doubled. The temperatures of
W the source and sink are
[CBSE PMT 2000, 07]
(a) \( 80^{\circ} \mathrm{C}, 37^{\circ} \mathrm{C} \)
(b) \( 95^{\circ} \mathrm{C}, 28^{\circ} \mathrm{C} \)
(c) \( 90^{\circ} \mathrm{C}, 37^{\circ} \mathrm{C} \)
(d) \( 99^{\circ} \mathrm{C}, 37^{\circ} \mathrm{C} \)
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