Refractory Technology Which of the following is not a high alumina refractory material? Diaspore Kyanite Sillimanite Periclase Diaspore Kyanite Sillimanite Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Abrasion Disintegration on sudden change of temperature Attack by basic slag Both B and C Abrasion Disintegration on sudden change of temperature Attack by basic slag Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Graphite Fireclay Zircon Alumina Graphite Fireclay Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Rate at which a fluid will pass through the pores Expansion during heating Melting point Refractoriness Rate at which a fluid will pass through the pores Expansion during heating Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Ceramic recuperators Zinc smelting furnace All of these Muffle furnace Ceramic recuperators Zinc smelting furnace All of these Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Both A & B Resistance to slag attack increases Spalling resistance reduces Neither A nor B Both A & B Resistance to slag attack increases Spalling resistance reduces Neither A nor B ANSWER DOWNLOAD EXAMIANS APP