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The second lawof thermodynamics is the g...

The second lawof thermodynamics is the generalisation of the fact that
I) Heat always flows from hot body to cold body by itself
II) Heat can flow cold body to hot body itself
III) It is impossible for a self acting machine un aided by any external agency to transfer heat from cold body to hotter body

A

I and II

B

II and III

C

I and III

D

I, II, III & IV

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-THERMODYNAMICS-EXERCISE - 1A
  1. According to second law of thermodynamics a)All heat can be converte...

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  2. Consider the statement (A) and (B) and identify the correct answer. ...

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  3. The second lawof thermodynamics is the generalisation of the fact that...

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  4. Choose the correct statement A: It is impossible to derive continuou...

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  5. The pressure p and volume V of an ideal gas both increase in a process...

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  6. In a process on a system, the initial pressure and volume are equal to...

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  7. Two gases have the same initial pressure, volume and temperature. They...

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  8. The first law of thermodynamics incorporates the concepts of a) Con...

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  9. If C(P) and C(P) denote the specific heat (per unit mass of an ideal g...

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  10. Carnot engine is

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  11. Air pressure in the tyres of a car during motion is

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  12. Which of the following is not possible in a cyclic process ?

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  13. The relation between internal energy U, pressure P and volume V of a g...

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  14. A heat engine has an efficiency eta. Temperatures of source and sink a...

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  15. A system is taken from a given initial state to a given final state al...

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  16. A carnot has the reversible processes the following order

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  17. A triatomic, diatomic and monoatomic gas is supplied same amount of he...

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  18. A gas may expand either adiabatically or isothermally. A number of P-V...

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  19. Explain why (a) Two bodies at different temperatures T(1) and T(2) i...

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  20. Two cylinder A and B of equal capacties to each other via a stopcock. ...

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