Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is Less poisonous More explosive and inflammable All of these Lighter Less poisonous More explosive and inflammable All of these Lighter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is removed from coke oven gas by Adsorbing on bog iron bed Absorbing in vetro-coke solution Scrubbing with wash oil (a petroleum product) None of these Adsorbing on bog iron bed Absorbing in vetro-coke solution Scrubbing with wash oil (a petroleum product) None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 180 30 120 65 180 30 120 65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Inherent moisture content Caking capacity Fusion point of its ash Volatile matter content Inherent moisture content Caking capacity Fusion point of its ash Volatile matter content ANSWER DOWNLOAD EXAMIANS APP