Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Both A & B Calorific value Caking power Neither A nor B Both A & B Calorific value Caking power 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 In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by None of these Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Lower than Same as Higher than Not related to Lower than Same as Higher than Not related to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ C₂H₆ CH₄ (upto 90%) C₃H₈ H₂ C₂H₆ CH₄ (upto 90%) C₃H₈ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS