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MCQs: Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, because of its_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Maximum safe working temperature for fireclay bricks is about __________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which is the stable form of silica between 1470°C and the melting point 1713°C ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Cold crushing strength of a refractory does not depend upon its ____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Thoria__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Chromite refractories are_____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Vacuum steel degassing units are lined with__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: With increasing alumina content, the fusion point of high alumina refractories__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Walls, roofs & combustion chambers of annealing furnaces are made of ______________ bricks?
Category: Chemical Engineering Mcqs, Published by: teswesm
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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?
Category: Chemical Engineering Mcqs, Published by: teswesm
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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: teswesm
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MCQs: PCE value (Segar cone) of Superduty refractories is more than 33, which is equivalent to a temperature of ____________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Spray test determines the _____________ of refractories?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Fireclay refractories have __________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Dolomite bricks have good resistance to attack by_____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Zirconia refractories are not used in_____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The highest melting pure oxide (m.p. > 3000°C)is___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The largest consumer of refractories is the _______________ industry?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Crushing strength of a refractory____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Colour of fireclay bricks is_________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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