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In a petrol engine,the rate of productio...

In a petrol engine,the rate of production of heat due to the combustion of petrol is `7.46xx10^(5) cal h^(-1)` . The efficiency of the engine is 30%. Calculate the horse power of the engine, if J is `4.2xx10^(7)` erg `cal^(-1)`

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SL ARORA-THERMODYNAMICS-Problems for self practice
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  14. The length, a rod of aluminium is 1.0 m and its area of cross-section ...

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  15. A flat-bottom kettle placed on a stove is being used to boil water and...

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  16. An iron boiler is 10 mm thick and has a heating area 2m^(2). The two s...

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  17. One end of a 0.25 m long metal bar is in steam and the other is in con...

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  18. A layer of ice 0.15 m thick has formed on the surface of a deep pond. ...

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  20. Estimate the rate at which ice would melt in a wooden box 20 mm thick ...

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