Refractory Technology Fireclay bricks are never used in the Zinc roaster Lead blast furnace Beehive oven Coke oven walls Zinc roaster Lead blast furnace Beehive oven Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2570 1350 2800 1715 2570 1350 2800 1715 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Chrome or magnesite Silica Lowduty fireclay Silicon carbide Chrome or magnesite Silica Lowduty fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2700 2400 1800 2200 2700 2400 1800 2200 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 90 55 80 70 90 55 80 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Expansion during heating Rate at which a fluid will pass through the pores Melting point Refractoriness Expansion during heating Rate at which a fluid will pass through the pores Melting point ANSWER DOWNLOAD EXAMIANS APP
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