Refractory Technology Permeability of bricks is a measure of the Rate at which a fluid will pass through the pores Expansion during heating Refractoriness Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Graphite Chromite Carborundum Fireclay Graphite Chromite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Sun None of these Tunnel kilns Rotary kilns Sun None of these Tunnel kilns Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? High thermal conductivity Neither A nor B Low porosity Both A & B High thermal conductivity Neither A nor B Low porosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 1600 1000 700 2000 1600 1000 700 2000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Resistance to slag Crushing strength Refractoriness Spalling resistance Resistance to slag Crushing strength Refractoriness Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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