Category: Refractory Technology

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

A. Cupola
B. Gas producer
C. Bottom of hot metal mixer
D. Roof of open hearth furnace

A. Soaking pit
B. Blast furnace
C. L.D. converter
D. Coke ovens

A. Silicon carbide
B. Silicon nitride
C. Crystalline magnesia
D. Zirconium sulphate

A. Porosity
B. Specific gravity
C. Thermal conductivity
D. Strength

A. Silicon carbide
B. Magnesite
C. Chromite
D. Graphite

A. High thermal conductivity
B. Low porosity
C. Non-wetting characteristics
D. High density

A. Side walls of soaking pits and arc furnaces
B. Copper melting furnaces & converters
C. Burner block of glass tanks
D. All A., B. and C.

A. Obtaining monolithic working faces
B. Repairing construction of various furnace parts
C. Both A. & B.
D. Neither A. nor B.

A. Crushing strength
B. Resistance to slag attack
C. Both A. and B.
D. Neither A. nor B.