Refractory Technology Mcqs for Chemical

Q.  Roof of a basic electric furnace is made of _____________ bricks?

a. Superduty fireclay
b. Silica
c. Chromite
d. None of these


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MCQs:  Periclase refractory contains mainly________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Silica bricks have low spalling resistance below 600°C, due to its________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Magnesite refractories have low resistance to___________________?
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MCQs:  Which is a basic refractory ?
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MCQs:  Tar dolomite bricks are used in the_________________?
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MCQs:  Cold crushing strength of fireclay bricks is about ______________ kgf/cm2?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Sillimanite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in________________?
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MCQs:  Rate of slag attack on refractories increases with rise in temperature due to the___________________?
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MCQs:  Tar bonded dolomite bricks__________________?
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MCQs:  Which furnace consumes maximum refractory annually in an integrated steel plant ?
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MCQs:  Which of the following bricks should not be used, if the furnace is to be used intermittently ?
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MCQs:  Refractoriness under load (RUL) is the most important property for the refractory bricks_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Ganister is a source of the ________________?
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MCQs:  Which is required in an insulating refractory ?
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MCQs:  Sillimanite is a _____________ refractory?
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MCQs:  Carbon refractories_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ______________ °C?
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MCQs:  Natural silica___________________?
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MCQs:  Spalling tendency of refractories is reduced by increasing its_________________?
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MCQs:  Which is not a high alumina refractory ?
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