Refractory Technology Refractory bricks having lower porosity have Low thermal conductivity Greater strength High insulating properties Low heat capacity Low thermal conductivity Greater strength High insulating properties Low heat capacity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 20 10 30 15 20 10 30 15 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Tunnel kilns Sun None of these Rotary kilns Tunnel kilns Sun None of these Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Cement Fertiliser Power Metallurgical Cement Fertiliser Power Metallurgical ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Neither A nor B High thermal conductivity Both A & B Low porosity Neither A nor B High thermal conductivity Both A & B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Low co-efficient of thermal expansion Very high cost Tendency to expand unduly high during firing Poor thermal spalling resistance Low co-efficient of thermal expansion Very high cost Tendency to expand unduly high during firing Poor thermal spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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