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Work done becomes zero...

Work done becomes zero

A

at constant pressure

B

at constant volume

C

in isothermal process

D

in adiabatic process

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Multiple Choice Questions (Mark 1)
  1. The work done by an ideal gas at constant pressure is 10 J. The amount...

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  2. If the internal energy U and the work W are expressed in unit of J and...

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  3. C(v) = 5/2 R, for 1 mol of any diatomic ideal gas. The value of the ra...

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  4. If R = 2 cal cdot mol^(-1) cdot^(@)C^(-1) and hydrogen is assumed to b...

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  5. Work done becomes zero

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  6. The change in internal energy of an ideal gas becomes zero

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  7. The process in which changes in pressure, volume and temperature occur...

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  8. It is observed by comparing the specific heat of all solid, liquid and...

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  9. In an adiabatic expansion, the change in internal energy of 10 mol of ...

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  10. Which of the following relations does an ideal gas follow in an adiaba...

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  11. The slope of an isothermal curve is always

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  12. Heat cannot transmit from a body at lower temperature to a body at hig...

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  13. A system can go from state A to state B in two different processes 1 a...

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  14. In a given process of an ideal gas, dW = 0 and dQ < 0. Then for the g...

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  15. 5.6 L of helium gas at STP is adiabatically compressed to 0.7 L. Takin...

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  16. A Carnot engine, having an efficiency of eta = 1/10 as heat engine is ...

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  17. The efficiency of a Carnot heat engine working between temperatures 12...

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  18. The efficiency of an ideal heat engine is

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  19. Coefficient of performance of a machine is

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  20. Even Carnot engine cannot give 100 % efficiency, because we cannot

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