Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1630-1670 > 1730 1520-1630 > 2000 1630-1670 > 1730 1520-1630 > 2000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature Higher moulding pressure Finer grog size All of these Higher firing temperature Higher moulding pressure Finer grog size All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Neither A nor B Both A & B Volume Specific gravity Neither A nor B Both A & B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Permanent linear change Resistance to CO attack Modulus of rupture RUL Permanent linear change Resistance to CO attack Modulus of rupture RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Bauxite bricks Silica bricks Fireclay bricks Magnesia bricks Bauxite bricks Silica bricks Fireclay bricks Magnesia bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Zirconia Chrome magnesite Silica Fireclay Zirconia Chrome magnesite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
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