Hamad Refractory Technology 09/07/2021 A. Firebrick B. Sillimanite C. Magnesite D. Aluminous firebrick Related Mcqs: Carbon refractories have very high __________________?A. Wetting characteristics B. Refractoriness C. Thermal conductivity D. Both B. and C.... Grog__________________?A. Contains both alumina and silica B. Is crushed firebrick C. Is a non-plastic material D. All A., B. and C.... The main raw material for manufacture of silicon carbide refractories is_________________?A. Corundum B. Carborundum C. Bauxite D. Periclase... Pyrometric cone equivalent (PCE) of a refractory is the measure of its_________________?A. Spalling resistance B. Fusion point C. Resistance to slag penetration D. Resistance to carbon monoxide attack... Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to__________________?A. Thermal spalling B. Slag attack C. Fusion under load D. CO attack...
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