【Daily Question】Chemical Engineering Principles 484: Mixed-bed Drainage Device (December 18)

Thread Content

This post was last edited by Zaihui Kangqiao on 2016-12-19 at 09:48. The Chemical Engineering Theory section is now launching a \"One Question per Day\" campaign to help everyone reinforce their basic knowledge in chemical engineering. Subsequent campaigns will include those on \"Principles of Chemical Engineering\", \"Mass Transfer and Separation\", \"Thermodynamics in Chemical Engineering\", and \"Chemical Process Engineering\" – we hope you will give it your active support! Wishing everyone a happy Christmas! Replies to the \"One Question per Day\" campaign can be viewed directly at **; the thread will be closed after 1 day! ! To encourage continued participation from everyone this year! Participation earns 3 wealth points, with an additional 4 wealth points for correct answers~~~ True or False: The drain device of a mixed-bed system is of the quartz sand cushion type. Wrong