Refractory Technology - Section 1
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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.
| 1. | Spray test determines the __________ of refractories. |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 2. | Hot metal runner in blast furnace are lined with __________ bricks. |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 3. | Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 4. | Refractories are dried in the |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 5. | Maximum alumina content in high alumina refractory can be as high as __________ percent. |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 6. | Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 7. | With increase in the porosity, thermal spalling resistance of fireclay brick |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 8. | A steel member used in the furnace construction to take the thrust of the brickwork is called |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |