Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 3.5 0.5 2 1 3.5 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Permanent linear change RUL Resistance to CO attack Modulus of rupture Permanent linear change RUL Resistance to CO attack Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using All of these Finer grog size Higher firing temperature Higher moulding pressure All of these Finer grog size Higher firing temperature Higher moulding pressure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. > 1730 > 2000 1520-1630 1630-1670 > 1730 > 2000 1520-1630 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Softening Resistancce to compressive loads Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Softening Resistancce to compressive loads ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Regenerators of coke oven Side wall of soaking pits Walls of coke oven Hearth of blast furnace Regenerators of coke oven Side wall of soaking pits Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
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