Fuels and Combustion
Which of the following is not applicable to fluidised bed combustion of coal?

None of these
It can not burn low grade coal
Less heat transfer surface area is required in boilers
It achieves higher fuel combustion efficiency

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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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