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A Carnot's engine operates with an effic...

A Carnot's engine operates with an efficiency of `40%` with its sink at `27^(@)C`. By what amount should the temperature of the source be increased with an aim to increase the efficiency by `10%`

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The correct Answer is:
`93.3^(@)C`
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SL ARORA-THERMODYNAMICS-Problems for self practice
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  13. In a petrol engine,the rate of production of heat due to the combustio...

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  14. In a refrigerator, heat from inside at 270 K is transferred to a room ...

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  15. Refrigerator A works between -10^@C and 27^@C, while refrigerator B wo...

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  16. Assuming that a domestic refrigerator can be regarded as a reversivle ...

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  19. A refrigerator freezes 5 kg of water at 0^(@)C into ice at 0^(@)C in a...

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