Search results

Professional Engineer & PE Exam Forum

Help Support Professional Engineer & PE Exam Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. J

    Frequency

    Given an angle Teta=45. How you would find its frequency?
  2. J

    NEC version for October exam?

    For PE October exam, will we be using NEC 2008 or NEC 2011?
  3. J

    Nominal full-load speed

    a) Calculate the approximate values of full load current, starting current and no load current of a 75KW, 4000, 3-phase, 900 r/min, 60Hz induction motor. B) Calculate the nominal full-load sped knowing that slip is 2 %? My question is what do they mean by Nominal Full-Load-Speed? Thanks!!
  4. J

    Engineering Economics

    Do you guys think that F.E Enginering Economics materials are enough for the P.E exam? Please, advise.
  5. J

    Problem 530 (NCEES)

    A 1,000 KVA, 12.47KV- 480Y/277-V transformer with 4% impedance feeds a 480-V bus. The fault duty of the 12.47-KV system is 40MVA. Assuming the transformer and the 12.47KV system have the same X/R ratio, the 3-phase short circuit current(Amperes) avaliable at the 480-V bus is mostlynearly: I am...
Back
Top