Refractory Technology Silica refractories All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Carbon 85% alumina Fireclay Corundum Carbon 85% alumina Fireclay Corundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks. Silica Bakelite impregnated or fused periclase Semi-silica Fireclay Silica Bakelite impregnated or fused periclase Semi-silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Thoria Zircon Beryllia Carborundum Thoria Zircon Beryllia Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Both A & B Neither A nor B Specific gravity Volume Both A & B Neither A nor B Specific gravity Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Foresterite Chromite Fireclay Magnesite Foresterite Chromite Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP