Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Decreases the dew point Increases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Decreases the dew point Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.8 A M = 0.5 A M = A M = 1.1 A M = 1.8 A M = 0.5 A M = A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Sulphur & phosphorous content Fusion point of its ash Hardness & strength Porosity Sulphur & phosphorous content Fusion point of its ash Hardness & strength Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value Provide trouble free operation Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value Provide trouble free operation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation None of these Increase the output of the coke Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation None of these Increase the output of the coke ANSWER DOWNLOAD EXAMIANS APP