Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature All of these Higher moulding pressure Finer grog size Higher firing temperature All of these Higher moulding pressure Finer grog size ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Increased thermal conductivity of brick Decreased viscosity of slag Oxidising condition in the furnace None of these Increased thermal conductivity of brick Decreased viscosity of slag Oxidising condition in the furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Tar dolomite Fireclay Silica Carbon Tar dolomite Fireclay Silica Carbon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Sillimanite Diaspore Kyanite Periclase Sillimanite Diaspore Kyanite Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Firebricks Silicon carbide bricks Sillimanite Silica bricks Firebricks Silicon carbide bricks Sillimanite Silica bricks ANSWER DOWNLOAD EXAMIANS APP
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