20170308 Catalytic Cracking, Coking, and Reforming Edition 【One Question per Day】 Benefits Section

Thread Content

To thank all marine enthusiasts for their support of this section, we are launching a new round of activities as a way to give back to everyone. “\"One question per day, special offers section\" – this campaign will have posts published irregularly, 1-5 times per month. Please pay close attention to the \"Catalytic Cracking, Coking, and Reforming Edition\" page and follow me closely to avoid missing out on great opportunities to earn money: lol. Before participating in the campaign, please read the rules carefully: 1. A prize of 5 wealth points for participation, and 15 wealth points for correct answers ； 2. After answering, hide the ** – there will be a number following it; floors whose last digit matches this number will receive an additional 15 wealth points as a reward ； 3. Each person is allowed to reply only once; those who deliberately post repeatedly will be dealt with, you know what I mean:@ ； 4. The topics presented in this post are not subject to any restrictions ； 5. The validity period of this post is 96 hours; no rewards will be given after it expires ； 6. The owner of this post holds all rights to interpretation. http://bbs.hcbbs.com/static/image/hrline/5.gif Multiple-choice question: The core temperature of a cigarette butt can reach ( ), which is higher than the ignition points of combustible materials such as cotton, linen, woolen fabrics, paper, and furniture. If cigarette butts are discarded carelessly and come into contact with these combustible materials, it can easily lead to combustion and even fires. A. 100–200°C B. 200–300°C C. 700–800°C Correct answer: C Lucky number: 3 ======================== Petrochemical sector – Innovative energy-saving ideas through creative thinking activities: http://bbs.hcbbs.com/thread-1669271-1-1.html Xiaomi phones are waiting for you!