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If Q, E and W denote respectively the he...

If Q, E and W denote respectively the heat added, change in internal energy and the work done in a closed cycle process, then

A

`E=0`

B

`Q=0`

C

`W=0`

D

`Q=W=0`

Text Solution

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The correct Answer is:
A
In cyclic process, `DeltaU=E=0`
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CP SINGH-LAWS OF THERMODYNAMICS-EXERCISE
  1. The state of a thermodynamic system is represented by

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  2. Which of the following is not a thermodynamical function

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  3. If Q, E and W denote respectively the heat added, change in internal e...

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  4. For free expansion of the gas, which of the following is true?

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  5. A system is given 300 calories of heat and it does 600 joules of work....

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  6. In thermodynamic process, pressure of a fixed mass of a gas is changes...

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  7. A perfect gas goes from a state A to another state B by absorbing 8 × ...

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  8. An ideal gas goes from the state i to the state f as shown in the figu...

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  9. A thermodynamic system is taken through the cycle ABCD as shown in the...

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  10. A system is taken through a cyclic process represented by a circle as ...

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  11. A thermodynamic process is shown in Fig. The pressures and volumes cor...

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  12. When a system is taken from state f along path iaf, Q = 50 J and W = 2...

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  13. A thermodynamic system undergoes cyclic process ABCDA as shown in figu...

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  14. An ideal gas is taken through the cycle AtoBtoCtoA, as shown in the fi...

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  15. Consider the cyclic process ABCA, shown in figure, performed on a samp...

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  16. The following are the P-V diagrams for cyclic processes for a gas. In ...

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  17. In the cyclic process shown in the V-P diagram the magnitude of the wo...

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  18. In the previous question (i) work is done by the gas (ii) work is ...

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  19. Two different masses m and 3 m of an ideal gas are heated separately i...

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  20. A pressure P, absolute temperature T, graph was obtained whe a given m...

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