Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Basic None of these Lime Acid Basic None of these Lime ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 58 24 8 44 58 24 8 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its Low refractoriness High co-efficient of expansion upto this temperature High thermal diffusivity Very high thermal conductivity Low refractoriness High co-efficient of expansion upto this temperature High thermal diffusivity Very high thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. 85% alumina Corundum Carbon Fireclay 85% alumina Corundum Carbon Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Fireclay Alumina Graphite Zircon Fireclay Alumina Graphite Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Tridymite Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS