Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 28 6 36 18 28 6 36 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting air supply Admitting more gas Shutting gas supply Admitting more air Shutting air supply Admitting more gas Shutting gas supply Admitting more air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as CO O₂ SO₂ N₂ CO O₂ SO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP