Q201
Open questionSilica bricks have low spalling resistance below 600°C, due to its
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Chemical Engineering · all questionsRefractory Technology
Refractory Technology
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220
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Q202
Open questionWith increasing alumina content, the fusion point of high alumina refractories
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Q203
Open questionAddition of grog in fireclay brick during its manufacture is advantageous, because it results in
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Q204
Open questionTar bonded dolomite bricks
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Q205
Open questionSillimanite is a __________ refractory.
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Q206
Open questionWhich form of silica has the highest specific gravity?
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Q207
Open questionWhat is Thoria?
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Q208
Open questionResistance to slag attack of a refractory
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Q209
Open questionWhich of the following impurities reduces the refractoriness of magnesite bricks?
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Q210
Open questionWith increase in the density of silica refractories, its
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Q211
Open questionPorosity is induced in insulating refractories by adding
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Q212
Open questionA steel member used in the furnace construction to take the thrust of the brickwork is called
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Q213
Open questionPick out the wrong statement.
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Q214
Open question10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.
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Q215
Open questionWhich is a basic refractory?
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Q216
Open questionWhich one expands on heating?
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Q217
Open questionFireclay bricks are never used in the
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Q218
Open questionHigh density refractory bricks have lower
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Q219
Open questionZircon refractories have
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Q220
Open questionZirconia refractory
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