A. Increases
B. Decreases
C. Remain same
D. May increase or decrease
Stoichiometry
Stoichiometry
A. Density
B. Specific heat
C. Thermal conductivity
D. None of these
A. Reduced by the addition of acid oxides
B. Increased by the addition of acid oxides
C. Not affected by the addition of acid oxides
D. Always less than 1000°C
A. Coke ovens regenerator
B. Outer lining of L.D. converter
C. Hearth bottom of blast furnace
D. Coke oven walls
A. Poor resistance to the penetration of molten slag, metal & flue gases
B. Poor heat conductivity & low strength
C. Better thermal spalling resistance
D. All A., B. and C.
A. Beehive coke oven
B. By-product coke oven walls
C. Combustion chamber of B.F. stoves
D. Coke oven regenerators
A. Silica
B. Carborundum
C. Fireclay
D. Magnesite
A. Increases
B. Lowers
C. Does not affect
D. Either A. or B.; depends on its quantity
A. 3Al2O3.2SiO2
B. Al2O3
C. ZrSO4
D. ThO2
A. Fusion point
B. Spalling resistance
C. Slag penetration resistance
D. Refractoriness under load (RUL)
