Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 27.6 42.9 47.3 23 27.6 42.9 47.3 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Kindling temperature Smoke point Burning temperature Fire point Kindling temperature Smoke point Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? L.D. converter gas Coke oven gas Blast furnace gas Producer gas L.D. converter gas Coke oven gas Blast furnace gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 8000 6000 4000 1000 8000 6000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these ANSWER DOWNLOAD EXAMIANS APP