Refractory Technology Which is not a natural insulating material? None of these Vermiculite Diatomaceous earth/kieselgur Asbestos None of these Vermiculite Diatomaceous earth/kieselgur Asbestos ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Cement Metallurgical Fertiliser Power Cement Metallurgical Fertiliser Power ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Silica Fireclay Semi-silica Bakelite impregnated or fused periclase Silica Fireclay Semi-silica Bakelite impregnated or fused periclase 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 the stable form of silica upto 1470°C ? None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Lowers Increases Does not affect Either A or B; depends on its quantity Lowers Increases Does not affect Either A or B; depends on its quantity ANSWER DOWNLOAD EXAMIANS APP
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