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An engine consumes 20 kg of fuel per hou...

An engine consumes 20 kg of fuel per hour. The calorific value of the fuel is `12 Kcal g^(-1).` Calculate the efficiency of the engine if the power of the engine is 42 kW.

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To calculate the efficiency of the engine, we will follow these steps: ### Step 1: Identify the given data - Fuel consumption = 20 kg/hour - Calorific value of the fuel = 12 Kcal/g - Power of the engine = 42 kW ### Step 2: Convert the units ...
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ICSE-INTERNAL ENERGY -SELECTED PROBLEMS (FROM HEAT ENGINES)
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  5. The efficiency of a carnot engine is 40%, whose sink is at a temperatu...

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  6. A carnot engine has the same efficiency (i) between 100 K and 500 K an...

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  8. Calculate the efficiency of a petrol engine if the compression ratio i...

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  9. An engine consumes 20 kg of fuel per hour. The calorific value of the ...

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  10. A carnot's engine working between an unknown temperature and ice point...

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  11. The efficiency of a camot's engine is 2/5. When the temperature of the...

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  12. A carnot engine works between 200^(@)C and 0^(@)C first and then betwe...

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  13. A reversible engine converts one-sixth of heat input into work. When t...

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  14. A carnot engine has an efficiency 0.4. When the temperature of the sou...

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  15. One of the most efficient engine even developed operates between 1800 ...

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  16. A carnot's engine whose source is at 300°C takes in 5000 J of heat in ...

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  19. Ice melts at the rate of 5 kg per hour in a cold storage when the temp...

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  20. How much heat energy is gained when 5kg of water at 20^(@)C is brought...

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