Maximum apparent porosity of magnesite bricks is about _____________ percent?

Related Mcqs:

Chrome magnesite bricks are_________________?

A. Acidic in nature B. Neutral in nature C. Having higher RUL than silica bricks D. Made by mixing 30% Chromite and 70% Periclase...

Carbon refractories have very high __________________?

A. Wetting characteristics B. Refractoriness C. Thermal conductivity D. Both B. and C....

Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of ______________ percent respectively?

A. 80 and 20 B. 20 and 80 C. 50 and 50 D. 60 and 40...

The main raw material for manufacture of silicon carbide refractories is_________________?

A. Corundum B. Carborundum C. Bauxite D. Periclase...

Walls, roofs & combustion chambers of annealing furnaces are made of ______________ bricks?

A. High duty fireclay B. Silica C. Mullite D. Carborundum...