【Daily Question No. 053】2017.08.29

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【Daily Question No. 053】2017.08.29 1. What can be used to extinguish a fire caused by calcium carbide? (A) Dry powder fire extinguisher (B) Foam fire extinguisher (C) Carbon tetrachloride fire extinguisher (D) Water. The reference answers will be visible after restoration; scoring is based on identifying the key points. The way answers are displayed is about to change. Answer: A. Summary thread of Q&A questions for 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657793-1-1.html. Summary thread of daily questions for 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657794-1-1.html. Summary thread of Q&A questions for 2016 (updates completed): http://bbs.hcbbs.com/thread-1597792-1-1.html. Petrochemical industry section – “Creative Ideas for Energy Saving” campaign (the second phase is in full swing): http://bbs.hcbbs.com/thread-1666758-1-1.html. (Source: Haichuan Chemical Industry Forum website)