Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Chromite Graphite Carborundum Fireclay Chromite Graphite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Dolomite Chrome magnesite Magnesite Silicon carbide Dolomite Chrome magnesite Magnesite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 100 1000 500 10 100 1000 500 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Rate at which a fluid will pass through the pores Refractoriness Expansion during heating Melting point Rate at which a fluid will pass through the pores Refractoriness Expansion during heating Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Sillimanite Aluminous firebrick Semi-silica Firebrick Sillimanite Aluminous firebrick Semi-silica Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have High insulating properties Low thermal conductivity Greater strength Low heat capacity High insulating properties Low thermal conductivity Greater strength Low heat capacity ANSWER DOWNLOAD EXAMIANS APP
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