Refractory Technology

A. Fireclay
B. Silica
C. Dolomite
D. Very low alumina

A. Modulus of rupture
B. Permanent linear change
C. Resistance to CO attack
D. RUL

A. Alumina
B. Thoria
C. Zirconia
D. Magnesia

A. Bakelite impregnated or fused periclase
B. Silica
C. Semi-silica
D. Fireclay

A. Light buff to reddish buff
B. Yellow
C. Black
D. None of these

A. Increases with rise in service temperature
B. Decreases with rise in service temperature
C. Is unaffected with change in service temperature
D. Decreases with increase in porosity

A. Cement
B. Metallurgical
C. Fertiliser
D. Power

A. Thoria
B. Alumina
C. Beryllia
D. Zirconia

A. Making sheaths for thermocouple
B. Lining high temperature ceramic kilns
C. Furnaces subjected to fluctuating temperature
D. High frequency induction furnaces in the form of inductors

A. Molten steel
B. Iron oxide
C. Lime slag
D. None of these