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b The efficiency of a Carnot s engine is 40 when the temperature of the...

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b The efficiency of a Carnot s engine is 40 when the temperature of the sink is 27 C What is the temperature of the source In order to raise its efficiency to 50 what do you think out of the following two is more effective way i Decreasing the temperature of the sink while the temperature of the source remains the same ii Increasing the temperature of the source while the temperature of the sink remains the same Justify your answer 6 75

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