Refractory Technology Bottom of basic open hearth furnace are constructed of Semi-silica bricks Porous fireclay bricks Dead burnt magnesite ramming mass Silicon carbide bricks Semi-silica bricks Porous fireclay bricks Dead burnt magnesite ramming mass Silicon carbide bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Lime slag Molten steel None of these Iron oxide Lime slag Molten steel None of these Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Silica Carbon Fireclay Tar dolomite Silica Carbon Fireclay Tar dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Fired at a temperature of 600°C only Basic refractory Acidic refractory Neutral refractory Fired at a temperature of 600°C only Basic refractory Acidic refractory Neutral refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the 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 Increased thermal conductivity of brick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Coke oven regenarators Muffle furnace Recuperators Blast furnace Coke oven regenarators Muffle furnace Recuperators Blast furnace ANSWER DOWNLOAD EXAMIANS APP
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