Refractory Technology Porosity of fireclay refractories is __________ percent. 43961 35-50 25-35 44129 43961 35-50 25-35 44129 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a Low porosity High resistance to fusion Low spalling resistance High spalling resistance Low porosity High resistance to fusion Low spalling resistance High spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Obtaining monolithic working faces Repairing construction of various furnace parts Both A & B Neither A nor B Obtaining monolithic working faces Repairing construction of various furnace parts Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Thermal conductivity RUL Porosity Specific gravity Thermal conductivity RUL Porosity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Bottom of hot metal mixer Roof of open hearth furnace Gas producer Cupola Bottom of hot metal mixer Roof of open hearth furnace Gas producer Cupola ANSWER DOWNLOAD EXAMIANS APP