Refractory Technology Electrical resistor bars are made of Alumina Graphite Silicon carbide Zirconia Alumina Graphite Silicon carbide Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Silicon carbide Thoria High alumina Fireclay Silicon carbide Thoria High alumina Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Molten steel None of these Lime slag Iron oxide Molten steel None of these Lime slag Iron oxide 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
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 70 50 30 90 70 50 30 ANSWER DOWNLOAD EXAMIANS APP
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