Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Fixed carbon Nitrogen Hydrogen Total carbon Fixed carbon Nitrogen Hydrogen Total carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Porosity Electrical resistivity Density None of these Porosity Electrical resistivity Density None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Carbonisation Coalification Oxidation Gasification Carbonisation Coalification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Proper fuel preparation Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Natural gas Blast furnace gas Carburetted water gas Producers Natural gas Blast furnace gas Carburetted water gas Producers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
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