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The Refractory Tech- The Basic Technology Awareness Course
27th July 2020
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1. Melting Temperature in Degree Celsius of pure graphite
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1541
1832
3482
Other:
2. Melting Temperature in Degree C of Sintered Magnesia
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2314
2800
Other:
3. How shape and size is important for refractories ?
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4. What is correlation between porosity and slag permeability ?
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5. What is bulk density ? How it is different from density ?
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6. What is PCE ? What is Segar Cone ? What is Refractories ?
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7. Why thermal expansion coefficient is important for refractories ?
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8. What is thermal shock resistance ? Why it is important for refractories ?
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9. Write short note on Refractoriness and RUL
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10 . Please explain the main criteria for selecting refractories for glass furnaces.
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