Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising Banking None of these Back draughting Under pressurising Banking None of these Back draughting ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ CO H₂ CH₄ C₂H₆ CO H₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase Decrease Increase or decrease depending on the fuel type Not change Increase Decrease Increase or decrease depending on the fuel type Not change ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Bituminous Anthracite Lignite None of these Bituminous Anthracite Lignite None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Clarain Fussain Vitrain Durain Clarain Fussain Vitrain Durain ANSWER DOWNLOAD EXAMIANS APP