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Fuels and Combustion

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

300
5000
10000
2000

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Fuels and Combustion
Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces

Both A & B
Higher amount of both methane and hydrogen
Higher amount of methane
Lower amount of hydrogen

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Fuels and Combustion
Gross calorific value will be equal to the net calorific value for

C₂H₆
C₂H₂
CO
H₂

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Fuels and Combustion
Purity of coke means that, it is high in carbon and low in

Moisture
Ash
Volatiles
Iron

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Fuels and Combustion
When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal.

Oxidation
Coalification
Carbonisation
Gasification

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Fuels and Combustion
Calorific value of coke oven gas is around __________ Kcal/Nm³.

2000
7500
4200
900

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