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Fuels and Combustion

Fuels and Combustion
A coal with high __________ content, would ignite most easily.

Fixed carbon
Oxygen
Ash
Volatile matter

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Fuels and Combustion
Naphthalene is removed from coke oven gas by

Absorbing in vetro-coke solution
Scrubbing with wash oil (a petroleum product)
None of these
Adsorbing on bog iron bed

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Fuels and Combustion
Soft coke is not

Used in blast furnaces
Produced by low temperature carbonisation of coal
A domestic fuel
None of these

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Fuels and Combustion
Caking index of the coal blend used for the manufacture of metallurgical coke should be around

5
48
21
40

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Fuels and Combustion
Coke made in narrower by-product coke ovens (as compared to wider ovens) is

Stronger
Smaller in size
Less reactive
All of these

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

Washing with monoethanolamine
Cyclone separator
Electrostatic precipitator
Wet packed scrubber

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