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  1. R

    Turns ratio confusion

    Thanks a lot. Let us see, count down has begun!!! I do not  think last two weeks can be used for studies, as those will be the times to plan for the exam, cheat sheet etc.
  2. R

    Turns ratio confusion

    My problem is, after reading a chapter I would like to test myself. There, I find Wildi has so many questions at the end of the chapters. The problem with PE exam is, there are not many actual matching sample tests (matching with real test) available in the market because of the confidentiality...
  3. R

    Turns ratio confusion

    Hmmmm,  Will you suggest to attempt. questions at the end of chapters of Chapman. 
  4. R

    Q 12-9 Wildi

    Thanks @GaryD . Practice makes it. I am sure you will do it. My best wishes. I am making my efforts to test the waters. I really do not know how the real exam, will be. No, one can claim to be a master of this large subject. If I can be of any help, in your process of learning, I will consider...
  5. R

    Turns ratio confusion

    As far as comments on references are concerned I would put a rider first- I am old; new at US, so discount that before you take anything I advise. Chapman is a good book. I do not have an experience of the PE exam itself, but I personally find Wildi better. I have got pdf copies of both, i have...
  6. R

    Q 12-9 Wildi

    I think we are right for angles too.
  7. R

    Q 12-9 Wildi

    The magnitudes are right, that is for sure, angles I am not yet sure. But I am in agreement with you for both. In the given solutions even Vxy is given 465 and Ia as  121. I am sure that must be wrong. 
  8. R

    Q 12-9 Wildi

    You can interchange the positions of H1 with H2 and X1 with X2 if you feel like. That should not make a difference in the answer.
  9. R

    Q 12-9 Wildi

    I have put Q12-13, 12-14 and 12-15 of Wildi into one. I solved but the answers did not match. Please provide the answers with angles; taking Vab as reference for better appreciation. 
  10. R

    Q 12-9 Wildi

    Thanks a lot. I am in agreement with you. It seems I have some wrong solution for it. Anyways. Do you have another questions with you- 12-13; 12-14; 12-15. They are all one question based on Delta connected auto transformer ( 3 single phase xmers). 
  11. R

    Q 12-9 Wildi

    Answer to E12 is 347 leading E23 by 150 degrees. E31is 347 lagging E12 by 60 degrees. I have similar issues in questions 12-13, 12-14 and 12-15. Once we are done with this we will discuss others.
  12. R

    Q 12-9 Wildi

    Is question 12-9 on page 261 of Wildi has wrong answer wrt angle of line voltage V12
  13. R

    Turns ratio confusion

    Yes, that is what I also concluded. These questions are from Chapman. I supposed, it was a good publication. May be it is old edition. The answer to your second statement is- it implies the guys are getting all questions which do not have mistakes in it.  The only questions coming for...
  14. R

    Phase angle shift

    This question I found in Chapman. I think the question is wrong? It should be -Line Voltage on Primary side lags the Line Voltages of Secondary? As comments?
  15. R

    Turns ratio confusion

    Omer thanks for your response.  I did not get it. Can you show the calculations for say, star star connection, the first  in the  solution. I am  feeling agitated, by not getting it.
  16. R

    Turns ratio confusion

    Can someone help me in understanding the turns ratios  shown in the answer. Are they okay? Thanks in advance.
  17. R

    Power Transfer Formula

    You are absolutely right @Omer . If E1, E2, X are same ; Delta will increase to get more P.  So Sine(Delta2)= 1.1*Sin25.5
  18. R

    NEC reference cards ok to bring?

    Thanks everyone. Certainly not going to let proctors perform a test on me.  Binder whether three hole or multi hole is my most loose item with me. Just wanted to know, where does exactly, the rule stand. Discussion always benefits. Optimization on anything and everything is part and parcel of...
  19. R

    Induction Machine

    It is Chapter 15. Not a big chapter. Page no 322 arround
  20. R

    NEC reference cards ok to bring?

    Are they really ruthless? I mean there can always be a interpretation difference between what is loose- what is bound. They can tell us to keep it outside, if they feel that a particular item is loose. What if- a martial is stapled together?
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