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 . 65 250 150 450 65 250 150 450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the Roof lining of basic open hearth & other basic furnaces Soaking pits Reheating furnaces All of these Roof lining of basic open hearth & other basic furnaces Soaking pits 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? Fireclay bricks Silica bricks High alumina bricks Tar dolomite bricks Fireclay bricks Silica bricks High alumina bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity RUL Thermal conductivity Specific gravity Porosity RUL Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Specific gravity Fusion point None of these RUL Specific gravity Fusion point None of these RUL ANSWER DOWNLOAD EXAMIANS APP
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