Recent content by bobadrew

I have the companion Power Practice Problems if you are interested. http://www.amazon.com/Power-Practice-Problems-Electrical-Computer/dp/1591261643

Spin-Up (Second Edition) 5 sample exams $75 Power Practice Problems for the Electrical and Computer PE Exam (Camara) $35

I was incorrect (see above ^^). I did not see any sample NESC question in my prep work or when I took the test and passed in October of 2012.

The test uses the 2011 National Electrical Code (NEC) book. The test does not contain questions on the National Electrical Safety Code (NESC).

The Camara book has some info on this topic. I don't have my book any more but someone else might be able to share that.

Yes, RMS voltage is peak to peak divided by the square root of 2.

Attached is a diagram that shows the configurations for Boost/Buck transformers that some folks had questions about. I couldn't get the attachment to work in the reply to that thread. Hope this is helpful. BoostBuckTransformer.pdf

mevans is correct, there is no way to deenergize the circuit! All of the contacts associated with a relay will change state when it is energized. A normally open closes; a normally closed opens.

When the forward button is pressed, the coil M1 pulls in and then contact M1 closes and seals in the circuit. The forward button is momentary and does not stay closed or latched. The normally closed M2 does not change state because coil M2 has not pulled in. The normally closed M1 and M2...

Work as many problems as you can.

Exam taken: Power Educational background: BSEE, BBA How long did you study? 200 Did you take a prep course? Yes, Testmasters (Houston, TX) State: MS List of materials you brought into the exam: NEC, NESC (didn't need or use),Wildi Book, NCEES Sample Problems, Spin-Up Problems, Camara...

I took the Testmasters course in Houston and it was very helpful. I passed on the first try and this was one of the reasons why. The only issue is that it is offered over the course of three weekends.

The way I understand it is that you are supposed to use the table values for sizing because the motor could be replaced at a future date. It's supposed to account for this.