Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action Gives smokeless burning Burns completely None of these Shows little or no fusing action Gives smokeless burning Burns completely None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 1000 15000 8000 4000 1000 15000 8000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? Coke oven gas Blast furnace gas Producer gas L.D. converter gas Coke oven gas Blast furnace gas Producer gas L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Have proper combustion by supplying it around the burner Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 3-5 95-100 60-65 25-30 3-5 95-100 60-65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Has poor strength and abrasion resistance None of these Is desirable in producer gas manufacture Produces more slag when used in the blast furnace Has poor strength and abrasion resistance None of these Is desirable in producer gas manufacture Produces more slag when used in the blast furnace ANSWER DOWNLOAD EXAMIANS APP