Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess fuel Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coke Coal having high fusion point of its ash Anthracite Coal having low fusion point of its ash Coke Coal having high fusion point of its ash Anthracite Coal having low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more All of these Coke oven gas yield is more Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more All of these Coke oven gas yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Proper fuel preparation Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion reaction of fuels is a/an __________ reaction. None of these Auto catalytic Exothermic Endothermic None of these Auto catalytic Exothermic Endothermic ANSWER DOWNLOAD EXAMIANS APP
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