A. Recarbonising steel B. Making carbon electrodes C. Blending with highly coking coal to check its swelling which helps in saving coke even walls FroM damage and to produce high strength coke
A. Washing fine coal dust (< 0.5 mm size) B. Washing lump coal (> 80 mm size) C. Removing ash from the coal based on difference in specific gravity of coal and ash D. All a., b. and c.
A. Presence of large quantity of hydrogen in the fuel B. Low calorific value of the fuel C. High sulphur content in the fuel D. Lack of thorough mixing of fuel with air
A. Fixed carbon and having a heating value around 13, 200 btu/1b B. Ash and heating value around 13, 200 btu/1b C. Fixed carbon and heating value around 132 btu/1b D. None of these
A. Coke even gas yield increases B. Tar yield increases C. Hydrogen percentage in the coke oven gas decreases D. Methane percentage in the coke oven gas increases
