Fuels and Combustion
Which of the following is a measure of the agglutinating (i.e., binding) property of coal?

Thickness of plastic layer
Caking index
Gray-king index
Swelling index

ANSWER DOWNLOAD EXAMIANS APP

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
None of these
Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing

ANSWER DOWNLOAD EXAMIANS APP