Fuels and Combustion Preheating of combustion air is done to Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the calorific value of the fuel Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the calorific value of the fuel Increase the adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & high Slow & low Slow & high Fast & slow Fast & high Slow & low Slow & high Fast & slow ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 11.5 0.5 23 12 11.5 0.5 23 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Smoke Oxygen Temperature Carbon monoxide Smoke Oxygen Temperature Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 77 79 29 21 77 79 29 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Oxygen Hydrogen Sulphur Carbon Oxygen Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP