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3189. Vacuum steel degassing units are lined with

September 7, 2025 by Admin

silica bricks

low duty firebricks

high alumina bricks

graphite blocks

✅ The correct answer is option C.

Categories Chemical Engineering, Engineering, Refractory Technology MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Refractory Technology MCQs

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3193. Silica bricks have low spalling resistance below 600°C, due to its

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