Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Condensation of water vapour from the fuel gas Long flame Heat losses None of these Condensation of water vapour from the fuel gas Long flame Heat losses None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Should be brittle Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have low fusion point of its ash Should be brittle Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Ash Inherent mineral matter Volatile matter Free impurities Ash Inherent mineral matter Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 8000 1000 4000 15000 8000 1000 4000 15000 ANSWER DOWNLOAD EXAMIANS APP