Refractory Technology Grog Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Low thermal co-efficient of expansion Greater diffusivity Low specific heat All of these Low thermal co-efficient of expansion Greater diffusivity Low specific heat All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Aluminous firebrick Magnesite Sillimanite Firebrick Aluminous firebrick Magnesite Sillimanite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Beryllia Zircon Thoria Carborundum Beryllia Zircon Thoria Carborundum ANSWER DOWNLOAD EXAMIANS APP
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