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Fuels and Combustion

Fuels and Combustion
Size of blast furnace grade coke is __________ mm.

25-80
0-15
15-25
>100

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Fuels and Combustion
Traces of tar fog present in the coke oven gas is removed by

Electrostatic precipitator
Wet packed scrubber
Cyclone separator
Washing with monoethanolamine

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Fuels and Combustion
Percentage of hydrogen in coke oven gas may be around

25
60
45
10

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Fuels and Combustion
Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg.

4000
8000
15000
1000

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Fuels and Combustion
Which of the following fuel gases has the highest calorific value ?

Coal bed methane (CBM)
Liquefied petroleum gas (LPG)
Sewage gas
Natural gas

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Fuels and Combustion
In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

CO
H₂O
O₂
CO₂

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