Refractory Technology Fireclay bricks is not used for lining the Roof of open hearth furnace Gas producer Bottom of hot metal mixer Cupola Roof of open hearth furnace Gas producer Bottom of hot metal mixer Cupola ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 10 30 20 15 10 30 20 15 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Blast furnace Muffle furnace Recuperators Coke oven regenarators Blast furnace Muffle furnace Recuperators Coke oven regenarators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Acidic refractory Neutral refractory Basic refractory Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory Fired at a temperature of 600°C only ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Quartz Tridymite Cristobalite All of these Quartz Tridymite Cristobalite All of these ANSWER DOWNLOAD EXAMIANS APP
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