Zirconia refractories are not used in_____________________?

Related Mcqs:

Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about ______________ percent?

A. 5 B. 20 C. 35 D. 55...

Graphite or carbon refractories______________________?

A. Exhibit wetting characteristics B. Should be used in neutral or reducing atmosphere C. Exhibit high shrinkage on thermal treatment D. Are not resistant to corrosion by slag...

_____________ is not a single oxide-refractory?

A. Zirconia B. Silicon carbide C. Magnesia D. None of these...

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

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

Maximum safe working temperature for fireclay bricks is about __________ °C?

A. 1150 B. 1300 C. 1450 D. 1550...