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Why is a sink necessary for operation of...

Why is a sink necessary for operation of a heat engine ?

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MBD PUBLICATION-THERMODYNAMICS-QUESTION BANK
  1. What is co-efficient of performance of a refrigerator ? Obtain mathema...

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  2. Obtain an expression for the efficiency of an engine in terms of heat ...

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  3. Why is a sink necessary for operation of a heat engine ?

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  4. Distinguish between a refrigerator and a heat engine.

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  5. Describe the principle of a refrigerator.

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  6. Given at least two examples each of reversible and irreversible proces...

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  7. Write down the expression for efficiency of a Carnot’s engine. What do...

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  8. State second law of thermodyanics

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  9. Distinguish between adiabatic and isothermal processes.

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  10. What are the minimum requisites for operation of Carnot engine ?

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  11. What are reversible and irreversible processes ? Explain with examples...

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  12. Explain the relation dH = dU + dW.

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  13. Discuss if rusting of iron is a reversible process.

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  14. Where from a gas gets energy when it undergoes adiabatic expansion ?

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  15. Distinguish between reversible and irrversible processes.

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  16. Draw a graph between efficiency and the temperature of the source of a...

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  17. If a carnot engine operators between 27^@C and 127^@Cthen it’s efficie...

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  18. State first law of thermodynamics

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  19. Calculate the efficiency of a Carnot cycle working between the two tem...

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  20. Give reason for internal energy of a gas.

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