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