MCQs: Roof of a basic electric furnace is made of _____________ bricks?
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MCQs: Faster rate of drying of moulded refractories results in high _____________ of refractories?
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MCQs: What is the value of ‘q’ for saturated liquid feed to a distillation column ?
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MCQs: Silica refractories are not used in _________________?
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MCQs: Porosity of silica bricks varies from ______________ percent?
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MCQs: Alumina-graphite bricks are used for lining the ____________________?
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MCQs: The main raw material for manufacture of silicon carbide refractories is_________________?
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MCQs: Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the_________________?
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MCQs: High density refractory bricks have lower__________________?
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MCQs: Fireclay bricks are used in the___________________?
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MCQs: Carbon refractory blocks ___________________?
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MCQs: Chromite refractories are used in_______________?
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MCQs: Maximum apparent porosity of magnesite bricks is about _____________ percent?
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MCQs: Cold crushing strength of refractories depends upon its_________________?
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MCQs: Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves ?
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MCQs: Spalling resistance of a refractory cannot be increased by ____________________?
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MCQs: High refractoriness of refractory bricks means, that it has a________________?
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MCQs: To resist spalling tendency, a refractory should have________________?
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MCQs: Cermets are____________________?
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MCQs: Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory_________________?
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