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NETA 4 Exam Questions 1/2017

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  1. Bespey is offline Junior Member
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    Quote Originally Posted by testguy View Post
    This is an excellent point. It cant be emphasized enough that when taking the practice exam its important to focus on the subject matter rather than the actual question and answer. We are looking into implementing a similar feature that stops showing you questions after answering them correctly a certain number of times. This way users who frequently take exams will continue to see fresh questions in subsequent exams.
    Yes, im about 2 months out from taking my level 4 test. trying to determine how to best spend my study time...im using old test questions as a starting point as where to begin digging deeper.

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    Quote Originally Posted by ddd675 View Post
    7. A primary injection is to be performed on a transformer 138kV/25kV, 2500kva, 8%Z using a 480V generator connected to the high side with the low side grounded. The expected current in the high side is?
    Discussion for this question has been combined into a single thread -> https://testguy.net/threads/6409-Tra...ng-Calculation

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    Quote Originally Posted by ddd675 View Post
    18. Two parallel feeder cables with individual 400:5 CTs per parallel run are connected to one overcurrent relay per phase. The proper connection would be:
    a. Parallel additive with relay set to 800:5
    b. Parallel subtractive with relay set to 800:5
    c. Series additive with relay set to 400:5
    d. Series subtractive with relay set to 400:5
    Discussion for this question has been combined into a single thread -> https://testguy.net/threads/5105-Pro...-parallel-CT-s

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    Quote Originally Posted by ddd675 View Post
    29. According to ANSI a newly installed battery bank should be load tested after:
    a. 1 year
    b. 2 years
    c. 4 years
    d. 5 years
    Discussion for this question has been combined into a single thread -> https://testguy.net/threads/6411-Loa...SI-requirement

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    Quote Originally Posted by ddd675 View Post
    11. Two 1mH inductors are connected in parallel and in series with two 45uF capacitors connected in parallel. What is the total impedance of the circuit?
    Discussion for this question has been combined into a single thread -> https://testguy.net/threads/6412-Imp...lel-capacitors

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    What gas would indicate partial discharge?

    Quote Originally Posted by ddd675 View Post
    10. In insulating oil, what gas would indicate partial discharge in the oil?
    Discussion for this question has been combined into a single thread -> https://testguy.net/threads/6413-Wha...scharge-in-oil

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    I found a list of some tolerances for belleville free-height. However, I am unsure what class fastener is usually used for electrical installations.
    Click image for larger version. 

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