Refractory Technology Insulating refractories should have Low thermal conductivity Neither A nor B Both A & B High porosity Low thermal conductivity Neither A nor B Both A & B High porosity 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 Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces Hearth of the blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Magnesite Chromite Foresterite Fireclay Magnesite Chromite Foresterite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Continuous casting systems Slide gate in teeming laddies Neither A nor B Both A & B Continuous casting systems Slide gate in teeming laddies Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 800-1000 2400-2600 1600-1800 1000-1200 800-1000 2400-2600 1600-1800 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS