MCQs: Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
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MCQs: Electrical resistor bars are made of _______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Refractories are dried in the _______________?
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MCQs: Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage ?
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MCQs: An indication of degree of firing in silica brick is its____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which is not an alumino-silicate refractory ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Resistance to slag attack of a refractory _____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Fireclay bricks are never used in the______________?
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MCQs: Magnesite bricks are used in those parts of furnaces, which are __________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: High thermal conductivity of a refractory material is not important, when it is to be used in the______________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of _____________ °C?
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MCQs: Basic bricks are not made of ___________________?
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MCQs: A steel member used in the furnace construction to take the thrust of the brickwork is called___________________?
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MCQs: Hollow refractory bricks are made by___________________?
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MCQs: Refractoriness/fusion points of ‘Superduty’ refractories is _______________ °C?
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MCQs: With increase in the porosity, thermal spalling resistance of fireclay brick___________________?
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MCQs: Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except ?
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MCQs: Quartz is___________________?
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MCQs: Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Maximum alumina content in high alumina refractory can be as high as _____________ percent?
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