Which of the following is/are correct statement?
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Entropy does not remains constant in which of the following processes?
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The main cause of irreversibility is/are.
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Which of the following is a property of entropy?
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A Carnot cycle operates on a working substance between two reservoirs at temperature T1 and T2, where T1 >T2. During each cycle, an amount of heat Q1 is extracted from the reservoir at T1 and an amount Q2 is delivered to the reservoir at T2. Which of the following statements are correct?
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The condition for the reversibility of a cycle is.
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Which of the following statements are correct?
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For any process, the second law of thermodynamics requires that the change of entropy of the universe be.
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Out of three Carnot engines, operating between reservoir temperature of (a) 400K and 500K (b) 600K and 800K (c) 800K and 1000K, which has/have the lowest thermal efficiency?
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According to Carnot’s theorem.
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