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