Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 20 35 55 80 20 35 55 80 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 Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 18 12 24 6 18 12 24 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Cracking Gasification Partial oxidation Reforming Cracking Gasification Partial oxidation Reforming ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less All of these Tar yield is less but free carbon in tar is more Coke oven gas yield is more Calorific value of coke oven gas is less All of these Tar yield is less but free carbon in tar is more Coke oven gas yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 1000 500 100 1500 1000 500 100 1500 ANSWER DOWNLOAD EXAMIANS APP
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