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Which of the following is incorrect rega...

Which of the following is incorrect regarding the first law of thermodynamics?

A

It is not applicable to any cycle process

B

It is a restatement of the principle of conservation of energy

C

It introduces the concept of the internal energy

D

It introduces the concept of the entropy

Text Solution

Verified by Experts

The correct Answer is:
A, D
Statement (a) and (d) ae wrong . Concept of entropy is associated with second law of thermodynamics.
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RESONANCE-KTG & THERMODYNAMICS-PART - II
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  3. A system goes from A and B via two processes. I and II as shown in fig...

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  4. The temperature -entropy diagram of a reversible engine cycle is given...

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  5. Two rigid boxes containing different ideal gases are placed on a table...

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  6. The work of 142kJ is performed in order to compress one kilo mole of g...

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

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  8. If CP and CV denote the specific heats of nitrogen per unit mass at co...

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  9. When a system is taken from state i to state f along the path iaf, it ...

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  10. An insulated container of gas has two chambers separated by an insulat...

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  11. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

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  12. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

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  13. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

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  14. One kg of a diatomic gas is at pressure of 8xx10^4N//m^2. The density ...

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  15. A diatomic ideal gas is used in a Carnot engine as the working substan...

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  16. 100g of water is heated from 30^@C to 50^@C. Ignoring the slight expan...

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  18. Three perfect gases at absolute temperature T(1), T(2) and T(3) are mi...

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  19. A thermally insulated vessel contains an ideal gas of molecular mass M...

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