Fuels and Combustion
Removal of hydrogen from coke oven gas

Is not possible on commerical scale
Increases its calorific value
Does not alter its calorific value
Decreases its calorific value

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Fuels and Combustion
Pick out the wrong statement.

Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel
Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal
Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing
None of these

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