Refractory Technology Cold crushing strength of a refractory does not depend upon its Texture Firing temperature Shape Composition Texture Firing temperature Shape Composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Slag penetration resistance Spalling resistance Thermal conductivity Fusion point Slag penetration resistance Spalling resistance Thermal conductivity Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Thermal conductivity Specific gravity Porosity RUL Thermal conductivity Specific gravity Porosity RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Bakelite impregnated or fused periclase Silica Semi-silica Fireclay Bakelite impregnated or fused periclase Silica Semi-silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Quartz Tridymite None of these Cristobalite Quartz Tridymite None of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have All of these Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance All of these Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance ANSWER DOWNLOAD EXAMIANS APP