Hamad Refractory Technology 21/03/2021 A. 0 B. <1 C. 1 D. >1 Related Mcqs: Machine moulding of dry mixture of refractories requires a pressure of the order of _____________ kg/cm2?A. 10 B. 100 C. 500 D. 1000... Zircon refractories have__________________?A. Low co-efficient of expansion B. High RUL (1600°C) and refractoriness (> 2000°C) C. High spalling resistance D. All A., B. and C.... Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage ?A. Tar bonded dolomite bricks B. Fireclay bricks C. Mullite bricks D. Magnesite bricks... Which furnace consumes maximum refractory annually in an integrated steel plant ?A. Soaking pit B. Blast furnace C. L.D. converter D. Coke ovens... High alumina refractory compared to fireclay bricks have____________________?A. Less load bearing capacity B. Less resistance to slag attack C. Low refractoriness D. High resistance to thermal shock and creep...
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