Fuels and Combustion
Combustion of pulverised fuel

In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel
All of these
Suppresses the discharge of fine dust and grit into atmosphere
Requires larger combustion chamber than rich gaseous fuel

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Fuels and Combustion
Pick out the wrong statement.

None of these
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

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