Refractory Technology The main raw material for manufacture of silicon carbide refractories is Carborundum Corrundum Periclase Bauxite Carborundum Corrundum Periclase Bauxite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its None of these High crushing strength Non-wetting characteristic High thermal conductivity None of these High crushing strength Non-wetting characteristic High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. 500 >2000 1000 >1350 500 >2000 1000 >1350 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Greater strength Low thermal conductivity Low heat capacity High insulating properties Greater strength Low thermal conductivity Low heat capacity High insulating properties ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spray test determines the __________ of refractories. RUL Resistance to slag penetration Permanent linear change Resistance to CO attack RUL Resistance to slag penetration Permanent linear change Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? None of these Diatomaceous earth/kieselgur Asbestos Vermiculite None of these Diatomaceous earth/kieselgur Asbestos Vermiculite ANSWER DOWNLOAD EXAMIANS APP
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