Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Periclase Carborundum Corrundum Bauxite Periclase Carborundum Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Graphite Alumina Silicon carbide Zirconia Graphite Alumina Silicon carbide Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Carbon Corundum 85% alumina Fireclay Carbon Corundum 85% alumina Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Is independent of its porosity and is maximum for insulating bricks Decreases with decreases in porosity Increases with decrease in porosity Increases with the amount of air entrapped in pores Is independent of its porosity and is maximum for insulating bricks Decreases with decreases in porosity Increases with decrease in porosity Increases with the amount of air entrapped in pores ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Cristobalite All of these Tridymite Quartz Cristobalite All of these Tridymite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Thermal insulation Transformers Television sets Magnetic switches Thermal insulation Transformers Television sets Magnetic switches ANSWER DOWNLOAD EXAMIANS APP
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