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If the temperature of the sink of a Carn...

If the temperature of the sink of a Carnot engine having an efficiency `(1)/( 6)` is reduced by`62^(@)C`, then its efficiency is doubled .Find the temperature of the sink and source respectively.

A

33°C, 67°C

B

37°C, 99°C

C

67°C, 33°C

D

97 K, 37 K

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The correct Answer is:
B
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MOTION-Thermodynamics-EXERCISE - 3 SECTION - A
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  2. Assertion : The Carnot cycle is useful in understanding the performanc...

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  3. If the temperature of the sink of a Carnot engine having an efficiency...

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  4. An engine has an efficiency of 1/6. When the temperature of sink is re...

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  5. If Q, E and W denote respectively the heat added, change in internal e...

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  6. On a new scale of temperature (which is linear) and called the W scale...

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  7. If Q, E and W denote respectively the heat added, change in internal e...

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

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  9. In thermodynamic processes which of the following statement is not tru...

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  10. The internal energy change in a system that has absorbed 2 kcal of hea...

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  11. If DeltaU and Delta W represent the increase in internal energy and wo...

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  12. A monoatomic gas at pressure P(1) and volume V(1) is compressed adiaba...

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  13. Two rigid boxes containing different ideal gases are placed on a table...

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  14. Assertion: The isothermal curves intersect each other at a certain poi...

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  15. A perfect gas goes from a state A to another state B by absorbing 8 × ...

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  16. During an isothermal expansion, a confined ideal gas does -150 J of wo...

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  17. A mass of diatomic gas(gamma=1.4) at a pressure of 2 atomphere is comp...

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  18. A thermodynamic system is taken through the cycle ABCD as shown in the...

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  19. An ideal gas goes from State A to state B via three different process ...

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  20. One mole of an ideal gas goes from an initial state A to final state B...

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