Permeability of bricks is a measure of the_________________?

Related Mcqs:

Si percentage in silica refractories used in the walls of coke oven is about______________________?

A. 45 B. 60 C. 80 D. 95...

Conversion of silica mineral to Cristobalite is accompanied by reduction in its ____________________?

A. Volume B. Specific gravity C. Both A. & B. D. Neither A. nor B....

Which of the following is not an acidic refractory?

A. Silica bricks B. Fireclay bricks C. Bauxite bricks D. Magnesia bricks...

High porosity refractory bricks have _______________?

A. Poor resistance to the penetration of molten slag, metal & flue gases B. Poor heat conductivity & low strength C. Better thermal spalling resistance D. All A., B. and C....

Which is a basic refractory ?

A. Fireclay B. Silica C. Chrome magnesite D. None of these...