Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 22 46 7 1 22 46 7 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High sulphur High ash content Low fusion point of ash None of these High sulphur High ash content Low fusion point of ash None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Carburetted water gas Coke oven gas LPG Gobar gas Carburetted water gas Coke oven gas LPG Gobar gas ANSWER DOWNLOAD EXAMIANS APP