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  1. #1

    NATE Core Essentials Study Book

    I am reading/studying the NATE Core Essentials book, in the first chapter "soft skills" one of the questions on the review is "Howfast does air with a velocity pressure of 0.20 in. w.g. move through round duct? The answer is 1800ft/min.

    Can someone please explain to me formula to get the answer for this? I have not found anything in the book.

  2. #2
    Join Date
    Apr 2002
    Location
    Omaha, NE
    Posts
    1,561
    Quote Originally Posted by Snohomishenergy View Post
    I am reading/studying the NATE Core Essentials book, in the first chapter "soft skills" one of the questions on the review is "Howfast does air with a velocity pressure of 0.20 in. w.g. move through round duct? The answer is 1800ft/min.

    Can someone please explain to me formula to get the answer for this? I have not found anything in the book.
    I found this in an airflow book:
    Name:  misc0031.jpg
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    B.O. = B.S.

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