Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Catalytic Autocatalytic Endothermic Exothermic Catalytic Autocatalytic Endothermic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Decreases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases Remains same Increases May increase or decrease ; depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter Is present upto 1-2% All of these Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter Is present upto 1-2% All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Bulk density always decreases Calorific value increases sometimes None of these Clinkering tendency during combustion increases Bulk density always decreases Calorific value increases sometimes None of these Clinkering tendency during combustion increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Ash Iron Volatiles Moisture Ash Iron Volatiles Moisture ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS