Fuels and Combustion Moisture loss is determined by the Humidity of combustion air Moisture content of fuel Both A and B The water formed by combustion reaction Humidity of combustion air Moisture content of fuel Both A and B The water formed by combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 23 42.9 27.6 47.3 23 42.9 27.6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a rich fuel gas? Refinery gases None of these Producer gas Coal gas from underground gasification of coal Refinery gases None of these Producer gas Coal gas from underground gasification of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Banking Under pressurising Back draughting None of these Banking Under pressurising Back draughting None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 105 70 85 145 105 70 85 145 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel ANSWER DOWNLOAD EXAMIANS APP