Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CO₂ H₂O CH₄ CO CO₂ H₂O CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Caking Non-caking Pulverised High ash Caking Non-caking Pulverised High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant pressure NCV at constant volume GCV at constant volume NCV at constant pressure GCV at constant pressure NCV at constant volume GCV at constant volume NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Phenolic water Nitrogen Carbon dioxide Air Phenolic water Nitrogen Carbon dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Type (solid, liquid or gaseous) Ignition temperature Calorific value Sulphur content Type (solid, liquid or gaseous) Ignition temperature Calorific value ANSWER DOWNLOAD EXAMIANS APP