Fuels and Combustion
Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing?

High power consumption in its transportation
Erosion of induced draft fan blades
Ash disposal problem
Excessive fly-ash discharge from the stack

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Combustion of pulverised fuel

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

ANSWER DOWNLOAD EXAMIANS APP