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A carnot engine absorbs 1000J of heat en...

A carnot engine absorbs `1000J` of heat energy from a reservoir at `127^(@)C` and rejecs `600J` of heat energy during each cycle. Calculate (i) efficiency of the engine, (ii) temperature of sink, (iii) amount of useful work done per cycle.

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The correct Answer is:
(i) 40 % (ii) `-33^(@)C` (iii) 400 J
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SL ARORA-THERMODYNAMICS-Problems for self practice
  1. A Carnot engine whose low temperature reservoir is at 7^(@)C has an ef...

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  2. Efficiency of a carnot engine is 0.4, when temp. of sink is 300K. What...

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  3. A carnot engine absorbs 1000J of heat energy from a reservoir at 127^(...

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  4. A reversible heat engine operates with an efficiency of 50 %. If durin...

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  5. A reversible engine converts one-sixth of the heat input into work. Wh...

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  6. Calculate the difference in efficiencies of a Carnot engine working be...

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  7. An ideal gas heat engine operates in a Carnot's cycle between 227^(@)C...

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  8. The boling point of water at a pressure of 50 atmosphere is 250^(@)C. ...

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  9. A perfect carnot engine has source temp. 227^(@)C and sink temp. 127^(...

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  10. A Carnot engine takes in heat from a reservoir of heat at 427^(@)C. Ho...

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  11. A Carnot's engine operates with an efficiency of 40% with its sink at ...

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  12. A Carnot engine works between 200^(@)C and 0^(@)C and another carnot e...

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  13. Two carnot engines A and B are operated in series. The first one A rec...

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  14. One mole of an ideal gas is taken in a Carnot engine working between 2...

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  15. In a double acting steam engine, the average pressure in 90Ncm^(-2), t...

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  16. In a reciprocating steam engine, the avearge pressure of steam is 50 N...

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  17. An engine develops 33250 W power, consuming 10 kg fule per hour. If th...

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  18. A petrol engine consumes 5 kg of petrol in one hour, the calorific va...

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  19. One kilograme of coal produces 3.6xx10^(6) cal of heat during combusti...

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  20. In a petrol engine, the rate of production of heat due to combustion o...

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