Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks.
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Refractory Technology
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Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks.
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Roof of a basic open hearth furnace is lined with __________ bricks.
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Bauxite calcining rotary kilns are lined with __________ bricks.
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Lower part of hot metal mixer are lined with __________ bricks.
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Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity).
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Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone.
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Which one contains maximum percentage of Al2O3?
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Which brick undergoes maximum shrinkage on drying?
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__________ is not a single oxiderefractory.
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Carbon bricks are not used in the lining of the
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Permeability of bricks is a measure of the
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Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of
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Cold crushing strength of refractories depends upon its
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Addition of zircon to silica refractory brick improves its
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Hollow refractory bricks are made by
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Which property of refractories is the most important for top section of the blast furnace?
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Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material?
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Which of the following is not an acidic refractory?
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Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C.
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