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A reversible engine converts one-sixth o...

A reversible engine converts one-sixth of the heat input into work. When the temperature of the sink is reduced by `62^@C` , the efficiency of the engine is doubled. The temperatures of the source and sink are

A

99ºC, 37ºC

B

80ºC, 37ºC

C

95ºC, 37ºC

D

90ºC, 37ºC

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