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Recent content by yangrui115

  1. yangrui115

    Nozzle Tip Discharge

    Does nozzle tip discharge considered open-end discharge? If so, it will solve all my problems. Here is my situation: I have a 1-1/2" water line coming in with 65psi. I want to plumb from the in-coming water line to a series of nozzles. My target is to spray 67gpm at 60psi at the nozzle tip. How...
  2. yangrui115

    What does PE-mechanical really do?

    Maybe I should take the HVAC in the PM section. On one hand I do have the interest to learn more in this field. And this PE exam is a good opportunity. On the other hand HVAC has more opportunities, as far as I know.
  3. yangrui115

    What does PE-mechanical really do?

    I have no PEs around me. All I know about PE comes from our customer's requirement. They always want a PE stamp on our drawings. In this case, we have to send out drawings to a consulting firm and get the PE stamp from there. Of course, it's not cheap. I took the EIT in Oct. 09. The result has...
  4. yangrui115

    How to prepare for PE-Mechanical exam?

    Hi everyone, I took the EIT exam in October 09. Now, I wonder what should I do next. Question 1. I work for a manufacture company, and has no PE in our engineering group. But we constantly deal with customers who are PE. I don't think my boss is gonna hire a certified PE in the near future...

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