Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Warming up Neither A nor B Cooling down Both A & B Warming up Neither A nor B Cooling down Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Neither A nor B Washing action of metal Both A & B Corrosion by layer of slag Neither A nor B Washing action of metal Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Chromite Foresterite Magnesite Fireclay Chromite Foresterite Magnesite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Magnesia bricks Bauxite bricks Fireclay bricks Silica bricks Magnesia bricks Bauxite bricks Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2700 1800 2200 2400 2700 1800 2200 2400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Muffle furnace Ceramic recuperators All of these Zinc smelting furnace Muffle furnace Ceramic recuperators All of these Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP
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