Fuels and Combustion Sulphur in metallurgical coal Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these 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. None of these Density Electrical resistivity Porosity None of these Density Electrical resistivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Long flame Condensation of water vapour from the fuel gas Heat losses None of these Long flame Condensation of water vapour from the fuel gas Heat losses None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in KOH Ammoniacal cuprous chloride Pyrogallol solution None of these KOH Ammoniacal cuprous chloride Pyrogallol solution None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising None of these Banking Back draughting Under pressurising None of these Banking Back draughting ANSWER DOWNLOAD EXAMIANS APP
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