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English Translations » 历史存档[信息] » One question per day; those who answer correctly receive 6 w

One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 17th

2016-06-17View Original

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Multiple-choice question: When calcium carbide is crushed and fed into the silo, how should the levels of acetylene and oxygen in the silo be controlled? ( ) A. Increase the nitrogen flow rate B. Control the purity of nitrogen C. Loading and unloading cannot occur simultaneously in the silo D. Keep the calcium carbide dry. Answer: ABCD
Reply #22016-06-17
When calcium carbide is crushed and fed into the silo, how should the levels of acetylene gas and oxygen in the silo be controlled? (D) A. Increase the flow rate of nitrogen. B. Control the purity of nitrogen. C. Loading and unloading cannot occur simultaneously in the silo. D. Keep the calcium carbide dry
Reply #32016-06-17
C. The silo cannot be loaded and unloaded simultaneously
Reply #42016-06-17
When calcium carbide is crushed and fed into the silo, how should the levels of acetylene gas and oxygen in the silo be controlled? (D) A. Increase the flow rate of nitrogen. B. Control the purity of nitrogen. C. Loading and unloading cannot occur simultaneously in the silo. D. Keep the calcium carbide dry

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Translated at 2026-07-21 00:02:45

Original: https://bbs.hcbbs.com/thread-1595376-1-1.html

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