Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 7.5 10.5 14.5 2.5 7.5 10.5 14.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Admitting more air Shutting gas supply Shutting air supply Admitting more gas Admitting more air Shutting gas supply Shutting air supply Admitting more gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Same as Not related to Higher than Lower than Same as Not related to Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas burns with an yellowish flame, because of the presence of NH₃ CH₄ CO₂ H₂ NH₃ CH₄ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 1 50 15 100 1 50 15 100 ANSWER DOWNLOAD EXAMIANS APP
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