Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 44 24 8 58 44 24 8 58 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Both A & B Specific gravity Neither A nor B Volume Both A & B Specific gravity Neither A nor B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High strength and density High refractoriness All of these High resistance to spalling High strength and density High refractoriness All of these High resistance to spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its High crushing strength Non-wetting characteristic None of these High thermal conductivity High crushing strength Non-wetting characteristic None of these High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Buckstay Baffle Armouring Breast wall Buckstay Baffle Armouring Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Oxides Nitrides Borides Carbides Oxides Nitrides Borides Carbides ANSWER DOWNLOAD EXAMIANS APP