Fuels and Combustion Pick out the wrong statement. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these 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 Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Abradability Reactivity Agglutinating (binding) properties Porosity Abradability Reactivity Agglutinating (binding) properties Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the hardness of coke None of these Decreases the abrasion resistance of coke Causes brittleness in steel Decreases the hardness of coke None of these Decreases the abrasion resistance of coke Causes brittleness in steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen None of these Air Oxygen enriched air Oxygen None of these Air Oxygen enriched air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air More than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
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