Refractory Technology Magnesite refractories have low resistance to Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Both B and C Wetting characteristics Thermal conductivity Refractoriness Both B and C Wetting characteristics Thermal conductivity Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Chrome magnesite Fireclay Zirconia Silica Chrome magnesite Fireclay Zirconia Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Crystalline magnesia Silicon nitride Silicon carbide Zirconium sulphate Crystalline magnesia Silicon nitride Silicon carbide Zirconium sulphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Preheating All of these Cooling Burning Preheating All of these Cooling Burning ANSWER DOWNLOAD EXAMIANS APP