Refractory Technology Firing of refractory brick is done to Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product Develop stable mineral forms in them All of these Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product Develop stable mineral forms in them All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance Low co-efficient of expansion All of these High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance Low co-efficient of expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1300 1150 1450 1550 1300 1150 1450 1550 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Superduty fireclay High alumina Carborundum Silica Superduty fireclay High alumina Carborundum Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 200-400 50-100 100-150 500-1000 200-400 50-100 100-150 500-1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 95 60 45 80 95 60 45 80 ANSWER DOWNLOAD EXAMIANS APP
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