Refractory Technology - Section 1 (2)
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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.
| 9. | With increase in the alumina content, the refractoriness of high alumina refractories |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 10. | Firing temperature is minimum (1250-1400 °C) for __________ bricks. |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 11. | Chromite refractories |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 12. | Water content in ground refractory material to be shaped into bricks by hand moulding is about __________ percent. |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 13. | Fireclay bricks are used in the |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 14. | Walls, roofs & combustion chambers of annealing furnaces are made of __________ bricks. |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 15. | Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 16. | Presence of MgO in alumino-silicate refractories __________ its refractoriness. |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |