Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Firebricks Silica bricks Sillimanite Silicon carbide bricks Firebricks Silica bricks Sillimanite Silicon carbide bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Tridymite None of these Cristobalite Quartz Tridymite None of these Cristobalite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. None of these Superduty fireclay Silica Chromite None of these Superduty fireclay Silica Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the most stable crystalline form of silica at room temperature? Quartz None of these Cristobalite Tridymite Quartz None of these Cristobalite Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Slide gate in teeming laddies Neither A nor B Continuous casting systems Both A & B Slide gate in teeming laddies Neither A nor B Continuous casting systems ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Fireclay Silica Semi-silica Bakelite impregnated or fused periclase Fireclay Silica Semi-silica Bakelite impregnated or fused periclase ANSWER DOWNLOAD EXAMIANS APP
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