An engine has an efficiency of 0.25 when temperature of sin… | CGP Edu

Physics Thermodynamics Heat, Carnot Engine, Refrigerator and Second Law of Thermodynamics MCQ (Single Correct)

An engine has an efficiency of 0.25 when temperature of sink is reduced by 58°C, if its efficiency is doubled, then the temperature of the source is

A

150°C

B

222°C

C

242°C

D

232°C

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