Fuels and Combustion Function of secondary air in pulverised coal firing is to Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 1000 15000 8000 4000 1000 15000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these Fine grinding High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is Less poisonous Lighter More explosive and inflammable All of these Less poisonous Lighter More explosive and inflammable All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter ANSWER DOWNLOAD EXAMIANS APP
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