Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Corrundum Carborundum Periclase Bauxite Corrundum Carborundum Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Resistance to slag attack of a refractory Depends on the nature of slag & refractory Decreases, if defective joints & cracks exist in the refractory All of these Decreases at higher temperature Depends on the nature of slag & refractory Decreases, if defective joints & cracks exist in the refractory All of these Decreases at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less load bearing capacity Low refractoriness High resistance to thermal shock and creep Less resistance to slag attack Less load bearing capacity Low refractoriness High resistance to thermal shock and creep Less resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Either A or B; depends on its quantity Lowers Increases Does not affect Either A or B; depends on its quantity Lowers Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Hearth of soaking pits Coke oven regenerator Burning zone of limestone rotary kilns Bottom hearth of reheating furnace Hearth of soaking pits Coke oven regenerator Burning zone of limestone rotary kilns Bottom hearth of reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Dolomite Silicon carbide Chrome magnesite Magnesite Dolomite Silicon carbide Chrome magnesite Magnesite ANSWER DOWNLOAD EXAMIANS APP
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