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State Kelvin- Planck statement of se...

State Kelvin- Planck statement of second law of thermodynamics.

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Kelvin- Planck statement :
It is impossible to construct a heat engine that operates in a cycle whose sole effect is to convert the heat completely into work . This implies that so heat engine in the universe can have 100% efficiency.
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SURA PUBLICATION-HEAT AND THERMODYNAMICS-II Short Answer Question s:
  1. What is PV diagram ?

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  2. What are the types of comfort air conditioning ?

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  3. Give the equation of state for an isothermal process.

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  4. Define thermodynamic efficiency.

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  5. Express the change in internal energy in terms of molar specifi...

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  6. A Carnot engine working between 400 K and 800 K has work output of 100...

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  7. Give the equation of state for an adiabatic process.

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  8. The mass of a helium atom is 6.66×10^-27 kg. Compute the specific heat...

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  9. If the piston of a container is pushed fast inward .Will th...

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  10. Calculate the total rotational kinetic energy of all the molecules in ...

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  11. What is a cyclic process ?

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  12. What is meant by reversible and irreversible processes ?

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  13. State Clausius form of the second law of thermodynamics.

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  14. State Kelvin- Planck statement of second law of thermodynamics.

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  15. Define heat engine .

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  16. Work done by 0.1 mole of a gas at 27°C to double its volume at constan...

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  17. Can the given heat energy be completely converted to work in...

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  18. State the second law of thermodynamics in therms of entropy.

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  19. Why does heat flow from a hot object to a cold object?

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  20. Calculate the internal energy of 1 mole of an ideal gas at 250ºC.

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