Recent questions tagged second-law&carnot-cycle&entropy

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The temperature of the heat source is

asked Jan 16, 2018 in TD by chandu (215k points)

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COP of the reversed Carnot cycle is

asked Jan 16, 2018 in TD by chandu (215k points)

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What will be the COP for heat pump?

asked Jan 16, 2018 in TD by chandu (215k points)

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What is its coefficient of performance?

asked Jan 16, 2018 in TD by chandu (215k points)

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The variation of $T_{L}$ (Sink temperature) for different values of COP is represented by

asked Jan 16, 2018 in TD by chandu (215k points)

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The amount of heat rejected is

asked Jan 16, 2018 in TD by chandu (215k points)

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What is the source temperature ?

asked Jan 16, 2018 in TD by chandu (215k points)

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What is the intermediate temperature ?

asked Jan 16, 2018 in TD by chandu (215k points)

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Which engine will have higher efficiency?

asked Jan 16, 2018 in TD by chandu (215k points)

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His engine is then equivalent to which one of the following engines ?

asked Jan 16, 2018 in TD by chandu (215k points)

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The relation $dS = \frac{dQ}{T}$ holds good in which one of the following processes ?

asked Jan 16, 2018 in TD by chandu (215k points)

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At critical point the enthalpy of vaporization is

asked Jan 16, 2018 in TD by chandu (215k points)

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This is valid for which one of the following?

asked Jan 16, 2018 in TD by chandu (215k points)

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Which of the following statements is correct?

asked Jan 16, 2018 in TD by chandu (215k points)

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The entropy change during heat addition is

asked Jan 16, 2018 in TD by chandu (215k points)

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Which representation shows correctly the above processes on the

asked Jan 16, 2018 in TD by chandu (215k points)

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What are the dimensions of entropy?

asked Jan 16, 2018 in TD by chandu (215k points)

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Which one of the following is correct on the basis of the second law of thermodynamics ?

asked Jan 15, 2018 in TD by chandu (215k points)

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The amount of heat rejected is

asked Jan 15, 2018 in TD by chandu (215k points)

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Assertion (A) : All constant entropy processes are adiabatic, but

asked Jan 15, 2018 in TD by chandu (215k points)

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