Refractory Technology Porosity of silica bricks varies from __________ percent. 60 to 75 5 to 10 20 to 30 45 to 60 60 to 75 5 to 10 20 to 30 45 to 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Porosity Strength Thermal conductivity Specific gravity Porosity Strength Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the All of these Wear out lining of steel melting furnaces Aluminium melting furnaces Inner lining of L.D. converter All of these Wear out lining of steel melting furnaces Aluminium melting furnaces Inner lining of L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Soaking pits L.D. converter Rotary lime kiln Ceheating furnace Soaking pits L.D. converter Rotary lime kiln Ceheating furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Orton cones Ovens & retorts Pressure vessels Segar cones Orton cones Ovens & retorts Pressure vessels Segar cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1520-1630 > 1730 > 2000 1630-1670 1520-1630 > 1730 > 2000 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
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