Refractory Technology Which is a basic refractory? Chrome magnesite Silica Fireclay None of these Chrome magnesite Silica Fireclay None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding All of these Calcium phosphate Ammonium chloride/sulphate Powdered naphthalene All of these Calcium phosphate Ammonium chloride/sulphate Powdered naphthalene ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 30 50 90 70 30 50 90 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Gas producer Cupola Bottom of hot metal mixer Roof of open hearth furnace Gas producer Cupola Bottom of hot metal mixer Roof of open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 1800 2200 2400 2700 1800 2200 2400 2700 ANSWER DOWNLOAD EXAMIANS APP
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