Which is not an acidic refractory ?

Related Mcqs:

Fusion point of an acidic refractory material is________________?

A. Increased by the addition of basic oxides B. Reduced by the addition of basic oxides C. Not affected by the addition of basic oxides D. Always more than 2500°C...

High alumina refractories are used in the ___________________?

A. Dome of blast furnace stoves B. Electric arc furnace roof C. Glass melting furnaces D. All A., B. and C....

Panel test determines the _____________ of refractories?

A. Fusion point B. Spalling resistance C. Slag penetration resistance D. Refractoriness under load (RUL)...

Refractoriness under load (RUL) is the most important property for the refractory bricks_________________?

A. At the hearth bottom of the furnace on which stock is placed B. Used for furnace insulation C. Used in the roof of the furnace D. None of these...

With decrease in porosity, the ______________ of the refractories decreases?

A. Strength B. Thermal conductivity C. Spalling resistance D. None of these...