Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 5400 3300 1500 8500 5400 3300 1500 8500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Bulk density decreases Swelling number decreases Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases Calorific value increases Swelling number increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 10 20 12.5 0 10 20 12.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion Dry gas/stack gas loss All of these Moisture loss Incomplete combustion Dry gas/stack gas loss All of these Moisture loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas ANSWER DOWNLOAD EXAMIANS APP