Correct answer
D. Are used in the hearth of blast furnace
Explanation
The correct answer is Are used in the hearth of blast furnace.
Hardgrove Grindability index of four coal samples are given below. Which of them is the easiest to grind?
Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace?
Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because________?
Casing head gasoline is the liquid ________?
Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C?
Which of the following gasifiers can be attached to coal based fertilizer plants?