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Fuels and Combustion

Fuels and Combustion
Caking coal is desirable for

Burning on firebars
Burning on travelling grate
Coke making
All of these

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

Electrostatic precipitator
Washing with monoethanolamine
Cyclone separator
Wet packed scrubber

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Fuels and Combustion
Ammonia content in raw coke oven gas is about __________ gm/Nm³.

100
15
1
50

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Fuels and Combustion
Which will have the least volatile matter and hence will be the most difficult to ignite?

Coke
Semi-bituminous coal
Bituminous coal
Aanthracite

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Fuels and Combustion
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.

95 and 100
40 and 70
25 and 97
80 and 97

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Fuels and Combustion
The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively

CO₂, O₂, CO
CO₂, CO, O₂
O₂, CO₂, CO
CO, O₂, CO₂

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