Refractory Technology Porosity of silica bricks varies from __________ percent. 20 to 30 60 to 75 5 to 10 45 to 60 20 to 30 60 to 75 5 to 10 45 to 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 2 1 0.5 3.5 2 1 0.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Fireclay High alumina refractory Silica Carbon black Fireclay High alumina refractory Silica Carbon black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Decreases May increase or decrease ; depends on its alumina content Increases Remains constant Decreases May increase or decrease ; depends on its alumina content Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Fireclay Silicon carbide Thoria High alumina Fireclay Silicon carbide Thoria High alumina ANSWER DOWNLOAD EXAMIANS APP
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