Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Backflow of potable water is properly prevented by?

Backflow from a low inlet to a plating tank containing a toxic solution is properly prevented by the installation of:

a) a properly installed approved pressure type vacuum breaker

b) a properly installed approved reduced pressure principle backflow preventer

c) a properly installed approved atmospheric type vacuum breaker

d) any one of the above

3 Answers

Relevance
  • 8 years ago
    Favorite Answer

    Install a backflow preventer. Whichever answer is closest to that.

  • Anonymous
    8 years ago

    An air gap is considered the maximum protection available against backpressure backflow or backsiphonage but is not always practical and can easily be bypassed.

  • RoyS
    Lv 7
    8 years ago

    Do your own homework.

Still have questions? Get your answers by asking now.