Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 200-400 500-1000 100-150 50-100 200-400 500-1000 100-150 50-100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Corrundum Bauxite Carborundum Periclase Corrundum Bauxite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Segar cones Ovens & retorts Pressure vessels Orton cones Segar cones Ovens & retorts Pressure vessels Orton cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Decrease in crushing strength Development of stable mineral form Removal of water of hydration Vitrification Decrease in crushing strength Development of stable mineral form Removal of water of hydration Vitrification ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Specific gravity Porosity RUL Thermal conductivity Specific gravity Porosity RUL Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Neither A nor B Less fusion point Both A & B Better spalling resistance Neither A nor B Less fusion point ANSWER DOWNLOAD EXAMIANS APP