Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 52 14 22 8 52 14 22 8 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 volume NCV at constant volume GCV at constant pressure NCV at constant pressure GCV at constant volume NCV at constant volume GCV at constant pressure NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Bulk density always decreases Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases Calorific value increases sometimes Clinkering tendency during combustion increases None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Ash content increases Moisture content increases Carbon content decreases Volatile matter content increases Ash content increases Moisture content increases Carbon content decreases Volatile matter content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Calorific value Ignition temperature Caking index Ash fusion temperature Calorific value Ignition temperature Caking index Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP