Refractory Technology - Section 1 (3)
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Refractory Technology - Section 1
This is a technology field and there are MCQs available to solve
which are based on this field. You will find these problems in this section.
| 17. | Outer combustion chamber of blast furnace stove is lined with __________ bricks. |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 18. | Refractoriness/fusion points of 'superduty' refractories is __________ °C. |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 19. | Which one expands on heating ? |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 20. | Which is the stable form of silica below 870°C ? |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 21. | 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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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 22. | Vacuum steel degassing units are lined with |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 23. | High porosity refractory bricks have |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 24. | Thermal diffusivity of a refractory brick is high, when its __________ is high. |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |