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