Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Corundum 85% alumina Fireclay Carbon Corundum 85% alumina Fireclay Carbon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Semi-silica Sillimanite Firebrick Aluminous firebrick Semi-silica Sillimanite Firebrick Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Semi-silica Fireclay Bakelite impregnated or fused periclase Silica Semi-silica Fireclay Bakelite impregnated or fused periclase Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1730 1520 1630 1670 1730 1520 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Carbon black High alumina refractory Silica Fireclay Carbon black High alumina refractory Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have All of these High spalling resistance Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) All of these High spalling resistance Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) ANSWER DOWNLOAD EXAMIANS APP
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