Fuels and Combustion Function of secondary air in pulverised coal firing is to Ensure efficient burning of coal around the burner Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner Transport the coal to the burner Reduce primary air requirement Dry the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 40 4 20 96 40 4 20 96 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 230 V DC 230 V AC 60 KV AC 60 KV DC 230 V DC 230 V AC 60 KV AC 60 KV DC ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 18 12 24 6 18 12 24 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS