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If the temperature of the cold body is decreased the efficiency of a carnot engine __________. (Decreases, Increases, Remains constant)

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Decrease
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Increases
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Decrease because T2-T1 will increase and so will the efficiency. But remember, like all other properties, after a complete cycle, the entropy of the working gas in the system will be same as before. We are only talking of the difference in the entropy change of the universe. As the engine will now... read more
Decrease because T2-T1 will increase and so will the efficiency. But remember, like all other properties, after a complete cycle, the entropy of the working gas in the system will be same as before. We are only talking of the difference in the entropy change of the universe. As the engine will now be doing more work for same heat consume read less
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Increases
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Increases
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Decreases
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Increase
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increase
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Mechanical Engineer

Increases as T2-T1 will increase
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We are only talking of the difference in the entropy change of the universe. As the engine will now be doing more work for same heat consume
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