Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? CaO SiO₂ All of these Al2O₃ CaO SiO₂ All of these Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the density of silica refractories, its Both A & B Neither A nor B Resistance to slag attack increases Spalling resistance reduces Both A & B Neither A nor B Resistance to slag attack increases Spalling resistance reduces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding All of these Calcium phosphate Ammonium chloride/sulphate Powdered naphthalene All of these Calcium phosphate Ammonium chloride/sulphate Powdered naphthalene ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Armouring Buckstay Baffle Breast wall Armouring Buckstay Baffle Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Refractoriness Resistance to slag Crushing strength Spalling resistance Refractoriness Resistance to slag Crushing strength Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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