Refractory Technology Roof of a basic electric furnace is made of __________ bricks. None of these Silica Superduty fireclay Chromite None of these Silica Superduty fireclay Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Carborundum Chromite Fireclay Graphite Carborundum Chromite Fireclay Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Rotary kilns Tunnel kilns None of these Sun Rotary kilns Tunnel kilns None of these Sun ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Neither A nor B Better spalling resistance Both A & B Less fusion point Neither A nor B Better spalling resistance Both A & B Less fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Shape Composition Firing temperature Texture Shape Composition Firing temperature Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 1715 1350 2800 2570 1715 1350 2800 2570 ANSWER DOWNLOAD EXAMIANS APP