Refractory Technology Which is required in an insulating refractory? Neither A nor B High thermal conductivity Low porosity Both A & B Neither A nor B High thermal conductivity Low porosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Neither A nor B Resistance to slag attack Crushing strength Neither A nor B Neither A nor B Resistance to slag attack Crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Sillimanite Firebrick Aluminous firebrick Semi-silica Sillimanite Firebrick Aluminous firebrick Semi-silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 1 3.5 0.5 2 1 3.5 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Carbon Fireclay Corundum 85% alumina Carbon Fireclay Corundum 85% alumina ANSWER DOWNLOAD EXAMIANS APP