Refractory Technology To resist spalling tendency, a refractory should have Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Kyanite Periclase Diaspore Sillimanite Kyanite Periclase Diaspore Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bottom of basic open hearth furnace are constructed of Dead burnt magnesite ramming mass Silicon carbide bricks Porous fireclay bricks Semi-silica bricks Dead burnt magnesite ramming mass Silicon carbide bricks Porous fireclay bricks Semi-silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Neither A nor B Repairing construction of various furnace parts Both A & B Obtaining monolithic working faces Neither A nor B Repairing construction of various furnace parts Both A & B Obtaining monolithic working faces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Spalling resistance Slag penetration resistance Fusion point Thermal conductivity Spalling resistance Slag penetration resistance Fusion point Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Coke oven walls Beehive oven Zinc roaster Lead blast furnace Coke oven walls Beehive oven Zinc roaster Lead blast furnace ANSWER DOWNLOAD EXAMIANS APP
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