Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Basic Acid Lime None of these Basic Acid Lime None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1520-1630 1630-1670 > 2000 > 1730 1520-1630 1630-1670 > 2000 > 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Beryllia Zirconia Thoria Alumina Beryllia Zirconia Thoria Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Silicon carbide Siliceous fireclay Fireclay Corrundum Silicon carbide Siliceous fireclay Fireclay Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Segar cones Orton cones Ovens & retorts Pressure vessels Segar cones Orton cones Ovens & retorts Pressure vessels ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Cooling Preheating All of these Burning Cooling Preheating All of these Burning ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS