Question: An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62C, its efficiency is doubled. Temperature of the source

An engine has an efficiency of 1/6. When the temperature of sink

An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62C, its efficiency is doubled. Temperature of the source is (a) 37C (c) 99C (b) 62C (d) 124C

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