Fuels and Combustion Orsat apparatus All of these Determines N₂ in flue gas indirectly Can Gives flue gas analysis on dry basis All of these Determines N₂ in flue gas indirectly Can Gives flue gas analysis on dry basis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low reactivity of carbonised residue containing high proportions of iron & sulphur Low forced draught and fuel bed temperature All of these Thick fire bed and preheated primary air Low reactivity of carbonised residue containing high proportions of iron & sulphur Low forced draught and fuel bed temperature All of these Thick fire bed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 35 5 20 10 35 5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame None of these Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame None of these 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 Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Natural gas Blast furnace gas Coke oven gas None of these Natural gas Blast furnace gas Coke oven gas None of these ANSWER DOWNLOAD EXAMIANS APP