Natural silica___________________?

Related Mcqs:

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....

Insulating refractories should have_______________?

A. High porosity B. Low thermal conductivity C. Both A. and B. D. Neither A. not B....

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

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

Which brick undergoes maximum shrinkage on drying ?

A. Tar bonded dolomite bricks B. Fireclay bricks C. Magnesite bricks D. Chromite bricks...

Which is not a natural insulating material ?

A. Diatomaceous earth/kieselgur B. Asbestos C. Vermiculite D. None of these...