【Daily Question】 2016 04 25 Hydrogenation Sector Multiple Choice

Thread Content

【Daily Question】 April 25, 2016 – Hydrogenation Sector Multiple Choice Question: When shutting down a heat exchanger, what should be done? A. Stop the hot flow first, then the cold flow. B. Stop the cold flow first, then the hot flow. C. Stop both the hot and cold flows at the same time. D. The order doesn’t matter. Answer: A. Promotion of petrochemical-related activities: Notice regarding the “I’m Saving Energy, Where Are You?” campaign in the petrochemical area: http://bbs.hcbbs.com/thread-1579199-1-1.html. This campaign offers awards in both textual and photographic categories. If there are over 200 entries, an additional grand prize will be awarded; the value of this prize is 600 Haichuan coins. If there are more than 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. Honorable mentions: several winners, each receiving 200 Haichuan coins. 1. Thread on soliciting contributions for themed sections with prizes: http://bbs.hcbbs.com/thread-1568416-1-1.html (Source: Haichuan Chemical Industry Forum). 2. 【Petrochemical Weekly】 Issue No. 9, March 12, 2016 (Summary of recent petrochemical-related activities): http://bbs.hcbbs.com/thread-1568615-1-1.html (Source: Haichuan Chemical Industry Forum). 3. “Haichuan Gratitude Season” – Summary of activities in the Petrochemical Section: http://bbs.hcbbs.com/thread-1533218-1-1.html (Source: Haichuan Chemical Industry Forum). 4. Summary of professional “basic knowledge” threads in the Petrochemical Section (Supported by the main forum; amazing prizes await you): http://bbs.hcbbs.com/thread-1557057-1-1.html (Source: Haichuan Chemical Industry Forum). Replying to this thread brings surprises – money will be given as a reward. http://bbs.hcbbs.com/thread-1580356-1-1.html