Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter All of these Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its Reactivity None of these Strength Bulk density Reactivity None of these Strength Bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load All of these Stack gas temperature Percentage of oxygen in flue gases Fuel consumption for the same heat load All of these Stack gas temperature Percentage of oxygen in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 22 52 14 8 22 52 14 8 ANSWER DOWNLOAD EXAMIANS APP
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