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MCQs: ____________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Rotary kilns meant for calcination of limestone are lined with chrome magnesite in ______________ zone?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Semi-silica bricks compared to silica bricks have_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following impurities reduces the refractoriness of magnesite bricks ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: SiO2 percentage in firebrick is about____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: ‘Spinel’, a refractory mineral is chemically represented as____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: With increase in the density of silica refractories, its_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Mixing of ground refractory material and water is done in a ______________ mill?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Silicon carbide refractories are used in the _____________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Firing temperature of magnesite bricks is about _____________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following is not an acidic refractory?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Grog__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Except _____________, all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Refractoriness of a typical silica brick corresponds to Segar cone number, ’32’, which is equivalent to a temperature of _____________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: With increase in the alumina content in firebricks, its fusion point (refractoriness) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Insulating refractories should have_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which is the stable form of silica below 870°C ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following is not a neutral refractory ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Electrical resistor bars are made of _______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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