Lower part of hot metal mixer are lined with _____________ bricks?
Lower part of hot metal mixer are lined with _____________ bricks? A. Superduty fireclay B. High alumina C. SilicaD. Carborundum
Lower part of hot metal mixer are lined with _____________ bricks? A. Superduty fireclay B. High alumina C. SilicaD. Carborundum
Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant ? A. Soaking pits B. Reheating furnaceC. L.D. converter D. Rotary lime kiln
Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as ______________ percent? A. 10 B. 15 C. 20D. 30
Chrome magnesite bricks are_________________? A. Acidic in nature B. Neutral in natureC. Having higher RUL than silica bricks D. Made by mixing 30% Chromite and 70% Periclase
Si percentage in silica refractories used in the walls of coke oven is about______________________? A. 45 B. 60 C. 80D. 95
In chemical process equipments, the conical bottom heads used, usually has an apex angle of____________________? A. 20° B. 40°C. 60° D. 80°
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about ______________ percent? A. 5B. 20 C. 35 D. 55