Refractory Technology Mcqs for Chemical

Q.  Refractoriness under load (RUL) is the most important property for the refractory bricks_________________?

a. At the hearth bottom of the furnace on which stock is placed
b. Used for furnace insulation
c. Used in the roof of the furnace
d. None of these


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MCQs:  Cold crushing strength of a refractory does not depend upon its ____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thoria__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Chromite refractories are_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Vacuum steel degassing units are lined with__________________?
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MCQs:  With increasing alumina content, the fusion point of high alumina refractories__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Walls, roofs & combustion chambers of annealing furnaces are made of ______________ bricks?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as ______________ kg/cm2?
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MCQs:  Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  PCE value (Segar cone) of Superduty refractories is more than 33, which is equivalent to a temperature of ____________ °C?
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MCQs:  Spray test determines the _____________ of refractories?
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MCQs:  Fireclay refractories have __________________?
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MCQs:  Dolomite bricks have good resistance to attack by_____________________?
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MCQs:  Zirconia refractories are not used in_____________________?
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MCQs:  The highest melting pure oxide (m.p. > 3000°C)is___________________?
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MCQs:  The largest consumer of refractories is the _______________ industry?
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MCQs:  Crushing strength of a refractory____________________?
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MCQs:  Colour of fireclay bricks is_________________?
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MCQs:  Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with _____________ bricks?
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MCQs:  Highest melting (m.p = 3070°C) oxide refractory is__________________?
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MCQs:  Dilatometer is used for the determination of ______________ of refractories?
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