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Fuels and Combustion

Fuels and Combustion
Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.

CO content
CO₂ content
O₂ content
Dew point

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Fuels and Combustion
The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C.

100 to 150
350 to 450
700 to 850
550 to 650

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Fuels and Combustion
The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called

Kindling temperature
Smoke point
Fire point
Burning temperature

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Fuels and Combustion
__________ is used as jet engine fuel.

Diesel
LPG
Petrol
Kerosene

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Fuels and Combustion
Steam is intermittently admitted into the fuel bed during the production of producer gas to

Increase the gas production rate
Increase the combustion rate
Minimise the chances of clinker formation
Convert CO to CO₂

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Fuels and Combustion
Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³.

10000
2500
4000
6500

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