Refractory Technology Porosity of fireclay refractories is __________ percent. 44129 35-50 43961 25-35 44129 35-50 43961 25-35 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Fracture due to uneven expansion at high temperature Softening Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Fracture due to uneven expansion at high temperature Softening ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Decreased viscosity of slag Oxidising condition in the furnace Increased thermal conductivity of brick None of these Decreased viscosity of slag Oxidising condition in the furnace Increased thermal conductivity of brick None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Regenerators of coke oven Side wall of soaking pits Hearth of blast furnace Walls of coke oven Regenerators of coke oven Side wall of soaking pits Hearth of blast furnace Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Chrome magnesite Zirconia Silica Fireclay Chrome magnesite Zirconia Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 500 10 100 1000 500 10 100 1000 ANSWER DOWNLOAD EXAMIANS APP
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