Hamad Refractory Technology 25/01/2023 A. Resistance to slag penetration B. Resistance to CO attack C. RUL D. Permanent linear change Related Mcqs: In chemical process equipments, the conical bottom heads used, usually has an apex angle of____________________?A. 20° B. 40° C. 60° D. 80°... Which of the following does not occur during firing/burning of refractories ?A. Removal of water of hydration B. Vitrification C. Decrease in crushing strength D. Development of stable mineral form... Firing temperature of magnesite bricks is about _____________ °C?A. 800-1000 B. 1000-1200 C. 1600-1800 D. 2400-2600... Fireclay bricks are not used in the _________________?A. Beehive coke oven B. By-product coke oven walls C. Combustion chamber of B.F. stoves D. Coke oven regenerators... Magnesite refractories have low resistance to___________________?A. Attack by basic slag B. Abrasion C. Disintegration on sudden change of temperature D. Both B. and C....
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