Refractory Technology Chemically, mullite refractories is 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ZrSO₄ 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature All of these Higher moulding pressure Finer grog size Higher firing temperature All of these Higher moulding pressure Finer grog size ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Thoria Beryllia Zircon Carborundum Thoria Beryllia Zircon Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Fireclay Zircon Graphite Alumina Fireclay Zircon Graphite Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Neither A nor B Both A & B Continuous casting systems Slide gate in teeming laddies Neither A nor B Both A & B Continuous casting systems Slide gate in teeming laddies ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1450 1150 1550 1300 1450 1150 1550 1300 ANSWER DOWNLOAD EXAMIANS APP
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