Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories All of these Impart greater spalling resistance Reduce its shrinkage on heating Enhance the strength of fired refractories All of these Impart greater spalling resistance Reduce its shrinkage on heating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Blast furnace hearth Electric furnaces Highly chemical resistant equipments Combustion chamber of blast furnace stoves Blast furnace hearth Electric furnaces Highly chemical resistant equipments Combustion chamber of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Mortars None of these Cements Castables Mortars None of these Cements Castables ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Rate at which a fluid will pass through the pores Expansion during heating Melting point Refractoriness Rate at which a fluid will pass through the pores Expansion during heating Melting point Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Television sets Transformers Magnetic switches Thermal insulation Television sets Transformers Magnetic switches Thermal insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the Hearth of the blast furnace Nuclear reactors, missiles & space crafts Insulation of high temperature furnaces Roof of electric furnaces Hearth of the blast furnace Nuclear reactors, missiles & space crafts Insulation of high temperature furnaces Roof of electric furnaces ANSWER DOWNLOAD EXAMIANS APP
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