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I was in the middle of a salary negotiation and got an extra $50 per week added to my job offer.

From Board of Registration website, exam committee should have met to discuss results last Friday: # 250 CMR Committee Meeting The 250 CMR Review Committee will meet on Friday, June 19, 2009 at the offices of Thompson-Liston Associates, Inc. 51 Main Street, Boylston, MA following the Exam...

I revisited this question again, since I am not used to factoring power factor when calculating volt drop in the real world, and found a slightly different approach published in the NEC Handbook that I would like to share. As a matter of preference, I found this method to be more methodical than...

LEED is a building design rating system created by USGBC to class a building that is designed to the LEED rating system. You do not need to be a LEED Accredited Professional to design or administer the LEED certification system for a LEED registered building. However, some employers would prefer...

Good spot. The question number indeed should read #115 and not 114. I would fix but I can't figure out how to do it. Just though I should learn how to use the calculator as a way to double check the answer, and to save a precious minute. Especially if there are a number of integration problem...

Anyone know how to enter the below formula work out the area under the curve using the CASIO fx-115MS Answer = 1/pi * integrate Sin(x) between 45deg and 180deg ? Answer = 0.543A

Thanks Mudpuppy. Now it make perfect sense with the expanded equation for Zbase.

Sorry for missing the ^2 on the equation in original post. What I am confused about is the Z(line) of 50 ohms per phase in the question. The pu impedance seem to be calculated by dividing a phase value of 50 ohms against a line-line value derived from kV^2/kVA.

The solution in the book is given as pu impedance = Zline/Zbase where Zbase = kVbase/kVAbase. With Zline given as 50 ohms per phase. Is it not incorrect to determine pu impedance using Zline per phase against Zbase established from 3-phase kV and kVA as the solution seem to suggest. Shouldn't...

emailed you

I've heard MGI PE Electrical Readiness Program is a very good resource for prepping for the PE, so I am eager to check it out for myself. Please contact me at mike123 at u2view.com if you have one for sale. Thanks, Mike