[Daily Question #031] 2017.08.07

Thread Content

This post was last edited by liuquan1100 on 2017-8-7 16:24. [Daily Question No. 031] 2017.08.07: Regarding heat transfer, which of the following statements is correct? A. Heat transfer occurs only in solids. B. Heat transfer can only take place between two objects. C. Poor heat conductors can still experience heat transfer. D. During heat transfer, heat moves along an object in a back-and-forth manner; the reference answer is available, and scoring is based on identifying the key points. D Q&A summary thread for 2017 (updates have started) http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread of “Question of the Day” in 2017 (updates have started) http://bbs.hcbbs.com/thread-1657794-1-1.html Q&A summary thread for 2016 (update completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Zone—“Creative Ideas” activity on energy conservation (Phase 2 of the activity is currently underway) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: HC Chemical Industry Forum)