Chrome magnesite bricks are_________________?

Related Mcqs:

Porosity is induced in insulating refractories by adding________________?

A. Powdered naphthalene B. Ammonium chloride/sulphate C. Calcium phosphate D. All A., B. and C....

Chromite refractories_____________________?

A. Are bonded with lime and clay B. (Free from silica) have better thermal fatigue resistance than silica and magnesite refractories. C. Are resistant to basic slag D. All A., B. and C....

Electrical resistor bars are made of _______________?

A. Silicon carbide B. Alumina C. Zirconia D. Graphite...

Sillimanite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in________________?

A. Pottery furnace B. Glass melting furnace C. Crucibles D. Gas retorts...

The maximum linear expansion of silica bricks during firing is about ______________ percent?

A. 0.5 B. 1 C. 2 D. 3.5...