Refractory Technology __________ nozzles are used in continuous casting of steel, Thoria Carborundum Beryllia Zircon Thoria Carborundum Beryllia Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Increases May increase or decrease ; depends on its alumina content Decreases Remains constant Increases May increase or decrease ; depends on its alumina content Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1300 1450 1150 1550 1300 1450 1150 1550 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Refractoriness under load (RUL) Spalling resistance Fusion point Slag penetration resistance Refractoriness under load (RUL) Spalling resistance Fusion point Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding All of these Ammonium chloride/sulphate Calcium phosphate Powdered naphthalene All of these Ammonium chloride/sulphate Calcium phosphate Powdered naphthalene ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractory blocks Are wetted by molten iron Are acidic in nature All of these Are used in the hearth of blast furnace Are wetted by molten iron Are acidic in nature All of these Are used in the hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
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