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The power of a carnot engine is...

The power of a carnot engine is

A

100

B

maximum

C

very very small

D

50

Text Solution

Verified by Experts

The correct Answer is:
C
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Efficiency of a carnot engine is_____of the nature of working substance.

Draw a graph between efficiency and the temperature of the source of a Carnot’s engine, when the sink temperature is constant.

A motor car weighing 1000 kg moves up an incline rising 1 in 49 at the rate of 54 km/hr. Find the power at which the engine is working .

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What happens to the efficiency of a carnot engine if the temperature of the sink is lowered keeping that of source constant ?

MBD PUBLICATION-THERMODYNAMICS-QUESTION BANK
  1. Which statement is incorrect ?

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  2. Even carnot engine cannot give 100% efficiency because we cannot

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  3. The power of a carnot engine is

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  4. An ideal carnot engine, whose efficiency is 40%, receives heat from th...

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  5. The efficiency of an ideal heat engine can be100% if the sink (exhaust...

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  6. A carnot engine has the same efficiency between 100 K and 500 K and T ...

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  7. A carnot engine first works between 100^@C and 0^@C and then between 0...

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  8. A carnot engine takes in heat from a reservoir of heat at 427^@C and g...

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  9. In the carnot engine, heat Q1 is absorbed from the source at temperatu...

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  10. The temperatures of the source and the sink of a heat engine are 127^@...

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  11. Ina Carnot engine, the temperature of the reservoir is 927^@C and that...

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  12. In an ideal refrigerator, heat from inside at 280 K is transferred to ...

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  13. The inside and outside temperatures of a refrigerator are 273 K and 30...

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  14. The temperature of a refrigerator is kept at7^@C to keep the food arti...

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  15. A refrigerator abstracts 1600 calories of heat from the ice trays. The...

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  16. A carnot engine has an efficiency of 20%. The energy is supplied to th...

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  17. For a carnot engine the source and the sink temperatures are 527^@C an...

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  18. A carnot engine operates between 227^@C and 127^@C. It absorbs 80 kilo...

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  19. The efficiency of a heat engine is 50% and the temperature of the sink...

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  20. A carnot engine whose sink is at 300^@ K has an efficiency of 40%. By ...

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