Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 200-300 280-300 80-170 250-270 200-300 280-300 80-170 250-270 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? C₂H₆ H₂ CO CH₄ C₂H₆ H₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for H₂ C₂H₆ C₂H₂ CO H₂ C₂H₆ C₂H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Recarbonising steel Making carbon electrodes Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Recarbonising steel Making carbon electrodes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS