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The coefficient of performance of a carnot refrigerator is 9. If the heat extracted from its sink is 900 J, then the heat transferred to the source will be

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Important Questions on Thermodynamics

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 22

In the given elliptical P-V diagram

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 1
Heat flows between two bodies due to difference in their
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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 2
Which of the following is extensive variable?
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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 3
Which of the following P-V curve best represents an isothermal process ?
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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 4

Work done in given cyclic process is

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 5
Indicator diagram is a
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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 6
ΔU+ΔW=0 is applicable for
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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 10
The thermodynamic process in which no work is done on or by the gas is