Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Insulation Coke ovens Regenerators Muffle furnaces Insulation Coke ovens Regenerators Muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Fired at a temperature of 600°C only Basic refractory Neutral refractory Acidic refractory Fired at a temperature of 600°C only Basic refractory Neutral refractory Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Both (b) and © Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Both (b) and © ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories May increase or decrease ; depends on its alumina content Remains constant Increases Decreases May increase or decrease ; depends on its alumina content Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Steel melting furnace Burning zone of cement kilns Electric furnace walls Open hearth furnace Steel melting furnace Burning zone of cement kilns Electric furnace walls Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 80 and 20 20 and 80 50 and 50 60 and 40 80 and 20 20 and 80 50 and 50 ANSWER DOWNLOAD EXAMIANS APP
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