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Write the expression of work for an idea...

Write the expression of work for an ideal gas in isobaric process.

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What is an adiabatic process ? Derive an expression for work done in an adiabatic process.

Obtain an expression for work done by an ideal gas in an isothermal expansion.

Define isobaric process. Derive an expression for work done in such process.

The relation between U, p and V for an ideal gas in an adiabatic process is given by relation U=a+bpV . Find the value of adiabatic exponent (gamma) of this gas.

What is ideal gas ?

Assertion: In a thermodynamic process, initial volume of gas is equal to final volume of gas. Work done by gas in this process should be zero Reason: Work done by gas in isochoric process is zero.

Does the internal energy of an ideal gas change in an adiabatic process ?

What is the efficiency of an ideal gas ?

KUMAR PRAKASHAN-THERMODYANMICS -Section-A (Try Your self )
  1. Write equation for work done for compression for an ideal gas.

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  2. What is the change in temperature when work done by gas in an adiabati...

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  3. Write the expression of work for an ideal gas in isobaric process.

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  4. What is heat engine ?

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  5. What is working substance in external combustion engine ?

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  6. What is working substance in internal combustion engine ?

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  7. Write common feature of heat engine based on cyclic process ?

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  8. What is the efficiency of heat engine ? Write it formula.

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  9. Why is a heat engine never 100% efficient ?

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  10. What is theoretical efficiency of heat engine ?

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  11. When does any refrigerator or heat pump work ?

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  12. Draw a schematic representation of a refrigerator.

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  13. Define and write the formula for coefficient of performance of a refri...

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  14. Write the formula of coefficient of performance of a heat pump.

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  15. Why the coefficient of performance of refrigerator become infinity ?

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  16. Why can't the efficiency of a heat engine ever be 100 % ?

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  17. Which limitation of heat engine put by the second law of thermodynamic...

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  18. Why the coefficient of performance of a refrigerator never be infinite...

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  19. What is the efficiency of an ideal gas ?

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  20. What is an ideal refrigerator ?

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