Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 250 65 450 150 250 65 450 150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the Soaking pits Roof lining of basic open hearth & other basic furnaces Reheating furnaces All of these Soaking pits Roof lining of basic open hearth & other basic furnaces Reheating furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Thermal conductivity Porosity Specific gravity RUL Thermal conductivity Porosity Specific gravity RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Specific gravity RUL None of these Fusion point Specific gravity RUL None of these Fusion point ANSWER DOWNLOAD EXAMIANS APP
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