Function of secondary air in pulverised coal firing is to – McqOptions

MCQOPTIONS

1.	Function of secondary air in pulverised coal firing is to
A.	transport the coal to the burner.
B.	dry the coal.
C.	ensure efficient burning of coal around the burner.
D.	reduce primary air requirement.
Answer» D. reduce primary air requirement.

Discussion

No Comment Found

Related MCQs

Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm /ton of dry coal.
Which of the following is the most reactive (as regards the formation of CO + H from C + HO) ?
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
The gasification reaction represented by, C + HO = CO + H, is
Which of the following will generate maximum volume of product of complete combustion (Nm/Nm of fuel) ?
Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?
Which of the following has the highest calorific value (kcal/Nm) ?
The calorific value of natural gas is about __________ kcal/Nm.
Calorific value of coke oven gas is around __________ Kcal/Nm.
Yield of blast furnace gas is about __________ Nm /ton of pig iron.