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The temperature -entropy diagram of a re...

The temperature -entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is

A

`1//2`

B

`1//4`

C

`1//3`

D

`2//3`

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The correct Answer is:
C
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MOTION-Thermodynamics-EXERCISE - 3 SECTION b
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  2. Which of the following is incorrect regarding the first law of thermod...

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  3. The temperature -entropy diagram of a reversible engine cycle is given...

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  4. A system goes from A and B via two processes. I and II as shown in fig...

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  5. The work of 146 kJ is performed in order to compress one kilo mole of ...

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  6. A Carnot engine, having an efficiency of eta= 1/10 as heat engine, is ...

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  7. When a system is taken from state i to state f along the path iaf, it ...

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  8. Assume the gas to be ideal, the work done on the gas in taking it from...

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  9. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

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  10. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

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  11. A diatomic ideal gas is used in a Carnot engine as the working substan...

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  12. A thermally insulated vessel contains an ideal gas of molecular mass M...

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  13. A carnot engine operating between temperatures T(1) and T(2) has effic...

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  14. Helium gas goes through a cycle ABCDA (consisting of two isochoric and...

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  15. A Carnot engine, whose efficiency is 40%, takes in heat from a source ...

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  16. The above p-v diagram represents the thermodynamic cycle of an engine,...

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  17. One mole of a diatomic ideal gas undergoes a cyclic process ABC as sho...

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  18. A solid body of constant heat capacity 1J//^@C is being heated by keep...

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  19. n' moles of an ideal gas undergoes a process AtoB as shown in the figu...

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  20. Two moles of an ideal monatomic gas occupies a volume V at 27 °C. The ...

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