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How can the efficiency of a reversible e...

How can the efficiency of a reversible engine be 100%?

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the efficiency of a reversible engine becomes 100% when the temperature of he sink is zero kelvin .
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BINA LIBRARY-THERMODYNAMICS -EXERCISE
  1. Assuming that the working substance of a carnot's engine is a perfect ...

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  2. On what does the efficiency of a heat engine depends ?

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  3. How can the efficiency of a reversible engine be 100%?

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  4. How does a gas do work when its expands adiabatically ?

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  5. An amount of heat Q is supplied to a monatomic ideal gas to expand at ...

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  6. Can the whole of work be converted into heat ?

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  7. Can the whole of heat be converted into work ?

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  8. can two isothermal curves intersect each other ?

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  9. What happens when a thermoflask containing some gas is shaken vigorous...

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  10. can a room be cooled by leaving the door of a refrigator open ?

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  11. During adiabatic expansion a gas cools - explain the reason .

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  12. Find the efficiency of a carnot's engine working between 500K and 300K

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  13. An inventor claims to have developed an engine working between 600k an...

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  14. An ideal heat engine takes in heat at 1520K and rejects heat at 380K ....

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  15. An ideal engine takes in heat at 1000K .and rejects heat 300K . Calcul...

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  16. A carnot's engine has an efficiency of 50% when its sinks temperature...

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  17. Find the efficiency of a carnot's engine that works between the tempe...

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  18. Find the efficiency of a carnot's engine that works between the tempe...

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  19. The internal energy of a perfect gas does not change during

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  20. Which of the following phenomena are reversible ?

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