【Daily Question】 2016 04 26 Hydrogenation Sector Multiple-choice Question

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【Daily Question】 April 26, 2016 – Hydrogenation sector: Multiple-choice question. What could be the reason for no flow rate during pump startup? （　） A. Insufficient lubricating oil B. Cavitation occurring C. Pressure gauge not in use D. Material temperature dropping. Promotion of petrochemical activities: Notice on 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 text and image categories; when there are over 200 entries, an additional grand prize will be awarded. The value of this grand prize is 600 Haichuan coins (if there are more than 300 entries, the grand prize increases to 1000 Haichuan coins; if there are 500 entries, it’s 1500 Haichuan coins). First prize: 3 Haichuan commemorative water cups. Second prize: 5 winners, each receiving 120 Haichuan coins. Honorable mentions: several winners, each receiving 200 Haichuan coins. 1. Posts with prizes for detailed categorization: http://bbs.hcbbs.com/thread-1568416-1-1.html (Source: Haichuan Chemical Forum). 2. [Petrochemical Weekly] Issue No. 9, March 12, 2016 (Summary of recent petrochemical activities): http://bbs.hcbbs.com/thread-1568615-1-1.html (Source: Haichuan Chemical Forum). 3. “Haichuan Gratitude Season” [Petrochemical Section] – Summary of related events: http://bbs.hcbbs.com/thread-1533218-1-1.html (Source: Haichuan Chemical Forum). 4. [Petrochemical Section] – Summary of posts on basic knowledge (Supported by the main forum; amazing prizes await you): http://bbs.hcbbs.com/thread-1557057-1-1.html (Source: Haichuan Chemical Forum). RePLYING to this post brings surprises – money will be given as a reward. http://bbs.hcbbs.com/thread-1580356-1-1.html