Fuels and Combustion Undercharging of coal in the by-product coke ovens results in No change in the c.v. of coke oven gas Increase in its throughput Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Dry the coal Transport the coal to the burner Reduce primary air requirement Ensure efficient burning of coal around the burner Dry the coal Transport the coal to the burner Reduce primary air requirement Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content Fusion point of ash Heating value None of these S & P content Fusion point of ash Heating value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Height of the chimney Density of the chimney gases Both A & B Neither A nor B Height of the chimney Density of the chimney gases Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Moving Fluidised Entrained Fixed Moving Fluidised Entrained Fixed ANSWER DOWNLOAD EXAMIANS APP