Refractory Technology __________ nozzles are used in continuous casting of steel, Carborundum Beryllia Zircon Thoria Carborundum Beryllia Zircon Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Increased by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C Not affected by the addition of acid oxides Increased by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C Not affected by the addition of acid oxides 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 Which is a neutral refractory? Silica Magnesite chrome Magnesia Graphite Silica Magnesite chrome Magnesia Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Specific gravity None of these RUL Fusion point Specific gravity None of these RUL Fusion point 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 Spalling resistance Crushing strength Refractoriness Resistance to slag Spalling resistance Crushing strength ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS