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