Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 58 8 24 44 58 8 24 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Patch work Producing monolithic linings All of these Minimising the number of joints in the structure Patch work Producing monolithic linings All of these Minimising the number of joints in the structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Roof of open hearth furnace By-product coke ovens Beehive coke ovens Dome of blast furnace stoves Roof of open hearth furnace By-product coke ovens Beehive coke ovens Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Poor thermal spalling resistance Tendency to expand unduly high during firing Very high cost Low co-efficient of thermal expansion Poor thermal spalling resistance Tendency to expand unduly high during firing Very high cost Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. RUL Porosity Thermal conductivity Specific gravity RUL Porosity Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
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