【Daily Question】 2016 05 11 Hydrogenation Sector Multiple-choice Question

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【Daily Question】 May 11, 2016 – Hydrogenation Section: Multiple-choice question. In the hydrogen gas from hydrogenation units, a high concentration of ( ) can easily lead to overheating of the reactor bed. A. Inert gases B. Methane C. Hydrogen sulfide D. Carbon monoxide and carbon dioxide. D. Promotion of petrochemical activities: Notice regarding the “I’m Saving Energy, Where Are You?” event in the petrochemical area: http://bbs.hcbbs.com/thread-1579199-1-1.html. This event offers awards in both written and photographic categories. If there are more than 200 entries, an additional grand prize will be awarded; the value of this prize is 600 Haichuan coins. If there are over 300 entries, the grand prize value increases to 1,000 Haichuan coins, and if there are 500 entries, it rises to 1,500 Haichuan coins. First prize: 3 Haichuan commemorative water cups. Second prize: 5 winners, each receiving 120 Haichuan coins. Excellence awards: Several winners, each receiving 200 Haichuan coins