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Fuels and Combustion

Fuels and Combustion
Atomising steam to fuel oil ratio in a burner should be around

2.5
0.5
3.5
1.5

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Fuels and Combustion
Coalification means the

Underground gasification of coal
Complete combustion of coal
Direct hydrogenation of coal
Process of conversion of lignite into anthracite

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Fuels and Combustion
'Mixed gas' used in steel plants is a mixture of

Coke oven gas and L.P.G
F. gas and coke oven gas
Blast furnace gas and naphtha vapor
Coke oven gas and converter gas

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Fuels and Combustion
Out of the following fuels, the difference between the net and gross calorific value is maximum in case of

Pitch
Bituminous coal
Blast furnace gas
Fuel oil

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Fuels and Combustion
The calorific value is the highest out of the following for

Coke oven gas
Water gas
Producer gas
Blast furnace gas

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Fuels and Combustion
Blast furnace gas is a very poisonous gas because of its predominantly high __________ content.

CH₄
CO
H₂O
CO₂

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