Refractory Technology Addition of zircon to silica refractory brick improves its Resistance to slag attack Neither A nor B Crushing strength Neither A nor B Resistance to slag attack Neither A nor B Crushing strength Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Chrome magnesite Dolomite Silicon carbide Magnesite Chrome magnesite Dolomite Silicon carbide Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Magnesite Fireclay Dolomite Chrome magnesite Magnesite Fireclay Dolomite Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories Are not resistant to the action of basic slags All of these Shrink during firing Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Are not resistant to the action of basic slags All of these Shrink during firing Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silicon carbide bricks Sillimanite Silica bricks Firebricks Silicon carbide bricks Sillimanite Silica bricks Firebricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Tar dolomite Silica Carbon Fireclay Tar dolomite Silica Carbon Fireclay ANSWER DOWNLOAD EXAMIANS APP
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