Refractory Technology Alumina-graphite bricks are used for lining the Slide gate in teeming laddies Continuous casting systems Both A & B Neither A nor B Slide gate in teeming laddies Continuous casting systems Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks None of these At the hearth bottom of the furnace on which stock is placed Used for furnace insulation Used in the roof of the furnace None of these At the hearth bottom of the furnace on which stock is placed Used for furnace insulation Used in the roof of the furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High strength and density All of these High resistance to spalling High refractoriness High strength and density All of these High resistance to spalling High refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 50 and 50 80 and 20 20 and 80 60 and 40 50 and 50 80 and 20 20 and 80 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 Not affected by the addition of acid oxides Always less than 1000°C Increased by the addition of acid oxides Reduced by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Electric furnaces Combustion chamber of blast furnace stoves Blast furnace hearth Highly chemical resistant equipments Electric furnaces Combustion chamber of blast furnace stoves Blast furnace hearth Highly chemical resistant equipments ANSWER DOWNLOAD EXAMIANS APP
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