Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 70 90 50 30 70 90 50 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesia Magnesite chrome Graphite Silica Magnesia Magnesite chrome Graphite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Silica Superduty fireclay Carborundum High alumina Silica Superduty fireclay Carborundum High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? None of these Tridymite Quartz Cristobalite None of these Tridymite Quartz Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Chrome magnesite Fireclay Magnesite Dolomite Chrome magnesite Fireclay Magnesite Dolomite ANSWER DOWNLOAD EXAMIANS APP
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