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
Refractory Technology Porosity of silica bricks varies from __________ percent. 20 to 30 5 to 10 60 to 75 45 to 60 20 to 30 5 to 10 60 to 75 45 to 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Superduty fireclay High alumina Silica Carborundum Superduty fireclay High alumina Silica Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesite chrome Silica Magnesia Graphite Magnesite chrome Silica Magnesia Graphite 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 None of these High thermal conductivity Non-wetting characteristic High crushing strength None of these High thermal conductivity Non-wetting characteristic High crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its RUL Fusion point None of these Specific gravity RUL Fusion point None of these Specific gravity ANSWER DOWNLOAD EXAMIANS APP
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