【Daily Question】Basic knowledge of coking: +6 wealth for correct answers, +2 wealth for participation. Question 2 from 201507
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This post was last edited by sdos34 on 2015-7-14 09:28. The top 80 responders will each receive a reward of 2 wealth points, with each person being eligible for this reward only once. Those who provide correct answers will receive an additional 4 wealth points as a bonus. The time limit for responding is 24 hours; after that, this post will be closed. We encourage everyone to participate actively, and those who can provide detailed explanations of the relevant knowledge will receive extra rewards. 7.2 For the furnace top area, small flues, and flue sections, it is advisable to use ( ). A. Silica bricks B. Clay bricks C. Insulating bricks D. High-alumina bricks. Correct answer: B, Clay bricks
For the coke oven roof area, small flues, and flues, it is advisable to use ( ). A. Silica bricks B. Clay bricks C. Insulating bricks D. High-alumina bricks. As a single-choice question, the answer is B; as a multiple-choice question, the answers are B and C. If it were an essay question, things would be more complicated, as modern coke oven roof areas use not only a large number of clay bricks but also insulating bricks, and cylinder bricks are suitable for use on the roof surface. The main walls and single walls of the small flue are made of silica bricks, while the lining bricks are clay bricks; the entire flue is constructed from clay bricks.
In the coke oven roof area, small flues, and flue sections, (B) clay bricks are recommended
For the coke oven roof area, small flues, and flue sections, (B, clay bricks) are recommended