Refractory Technology Refractory bricks having lower porosity have Low heat capacity Low thermal conductivity High insulating properties Greater strength Low heat capacity Low thermal conductivity High insulating properties Greater strength 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 Resistancce to compressive loads Softening Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Resistancce to compressive loads Softening ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Metallurgical Cement Fertiliser Power Metallurgical Cement Fertiliser Power ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Specific gravity RUL None of these Fusion point Specific gravity RUL None of these Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Oxides Carbides Nitrides Borides Oxides Carbides Nitrides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Decreases with decreases in porosity Increases with decrease in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Decreases with decreases in porosity Increases with decrease in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores ANSWER DOWNLOAD EXAMIANS APP
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