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Fuels and Combustion

Fuels and Combustion
Yield of blast furnace gas is about __________ Nm³ /ton of pig iron.

300
5000
2000
10000

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Fuels and Combustion
Hard pitch is used for making

Insecticides
Pulverised fuel
Plastics
Perfumes

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Fuels and Combustion
Supply of excess air for complete combustion of fuel is necessitated to facilitate

Attainment of chemical equilibrium
Attainment of high temperature
Its thorough mixing with air
None of these

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Fuels and Combustion
The difference between total carbon and fixed carbon of coal will be minimum in case of

High temperature coke (V.M < 0.5%)
Anthracite
Lignite
Bituminous coal

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Fuels and Combustion
Ignition temperature decreases progressively from anthracite to lignite, because

Volatile matter content increases
Moisture content increases
Ash content increases
Carbon content decreases

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Fuels and Combustion
__________ is used as jet engine fuel.

Diesel
Kerosene
Petrol
LPG

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