HVAC/R Evacuation Quiz

Test your evacuation knowledge with this short quiz written by Jim Bermann

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  1. dave johnson says:

    keep them coming

  2. Joe Reinhard says:

    Great vacuum quiz! Really good summary of important concepts. While I missed 3, I understand and agree why I did on 2 of them, but do not understand the following question. Why is “Register No Vacuum” wrong and “Register Vacuum” correct? I’ve used Fieldpiece and Supco and, when slight refrigerant pressure is applied to break vacumm, the vac gauge display of the system micron level is lost and shows Atmospheric. Thanks.
    1. Exposing a typical vacuum gauge to refrigerant vapor will make the gauge?
    Creep Up
    Register No Vacuum (my answer)
    Register Vacuum (quiz correct answer)
    Into a Paperweight

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