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