【Daily Question】January 20, 2016: Which of the following statements is correct? (First 50 replies + 2 points; an additional 3–8 points for correct answers...)

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This post was last edited by HSLJHZ on 2016-1-21 at 13:46. In order to increase the popularity of the heat exchange forum, a \"Question of the Day\" activity has been introduced there; this helps to foster an active atmosphere for technical exchanges while also providing members with financial rewards. 【Daily Question】Which of the following statements is correct? (D) (A) The plate height refers to the number of theoretical plates required to achieve a separation efficiency equivalent to that of 1 meter of packing. (B) Liquid flooding that occurs during the operation of a packed tower has no effect on mass transfer. (C) The gas flow within the packed layer is generally in a laminar state. (D) Under conditions of liquid flooding, the pressure drop per unit height of the packed layer depends only on the type of packing and the properties of the fluid system. Note: We will close this thread after 24 hours to reveal the answers and explanations, as well as the best response (the most helpful answer). Other news: The competition for “Active Experts and Weekly Stars” in the Mechanical Forum has begun. http://bbs.hcbbs.com/thread-1489069-1-1.html Recruitment for forum moderators and technicians in the [Mechanical Forum] – applications and referrals are welcome. [Valid indefinitely] Come if you’re interested! 】http://bbs.hcbbs.com/thread-1288857-1-1.ht【Mechanical Section】In-depth guide to preventing equipment freezing over winter http://bbs.hcbbs.com/thread-1502793-1-1.html It’s started; we’ve finally waited for this 【Mechanical Section】Thanksgiving sharing event http://bbs.hcbbs.com/thread-1533152-1-1.html From the group: Chemical Equipment and Machinery, Mixtures, Wealth, Fillers, Reductions, Sections