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About WR/ENV_Instructor

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  1. For those interested, below is a brief breakdown of the new WR/ENV (AM) portion of the exam. The AM portion of the exam focuses entirely on Water Resources (i.e., no Environmental in the morning – at least according to the NCEES breakdown.) I know this change will make a lot of you happy. Below are the topics to be covered during the Breadth (AM) portion of the April 2015 exam: Water Resources and Environmental (17.5% – 7 out of 40 questions) A. Open-channel flow B. Storm water collection and drainage (e.g., culvert, storm water inlets, gutter flow, street flow, storm sewer pipes) C. Storm characteristics (e.g., storm frequency, rainfall measurement and distribution) D. Runoff analysis (e.g., Rational and SCS/NRCS methods, hydrographic application, runoff time of concentration) E. Detention/retention ponds F. Pressure conduit (e.g., single pipe, force mains, Hazen-Williams, Darcy-Weisbach, major and minor losses) G. Energy and/or continuity equation (e.g., Bernoulli) VIII. Site Development (2.5% – 1 out of 40 questions) C. Temporary and permanent soil erosion and sediment control (e.g., construction erosion control and permits, sediment transport, channel/outlet protection) This brings the total Water Resources problems up to 20% for the Breath (AM) exam for – similar to years before. A more detailed breakdown of the changes (including differences between the previous exam specifications) can be found here: http://goldenratiopublishing.com/blog/ I will try to post a breakdown of the depth (PM) changes shortly ... Best of luck to anyone studying for the April 2015 PE exam, Harry
  2. @matt267, For a rectangular channel with Fr2, the equation is d1/d2 (not d2/d1 as you typed.) You were using the wrong equation. Harry
  3. @Sapper. My quote was "hurts your chances of passing" in regards to throwing out a problem you got correct. If NCEES throws our a problem (that nobody is eligible for credit) that you had answered correctly, your correct # of answered problems goes down as does your % of correct answers (55/79 = 69.6% is less than 56/80 = 70.0%) relative to the situation where NCEES throws out a problem you had answered incorrectly, your correct # of answered problems remains the same but ... your % of correct answers actually increases (56/79 = 70.9% is greater than 56/80 = 70.0%.) You are actually penalized in regards to % of correct answers if a problem you marked correct is thrown out from the final tally. To all those that claim this doesn't seem fair or right, this is exactly what happens when grades are determine via statistics and scored w/o subjectivity. Blame the math/method chosen.
  4. Yes, it is stated in the video. Not sure where they get their information, but this university claims that if NCEES determines a question is flawed that they give credit to multiple or all answers to that question, which should not work against the test takers. http://ef.engr.utk.edu/ef402-2010-08/feexam/grading.php There are two ideas of flawed to be considered: 1) If the problem was say ambigious where say two answers could be argued and deemed correct, they may give everyone credit. 2) If considered "compromised" then nobody will get credit.
  5. @Sapper, pointless maybe ... but since I started this, I want to clear up any confusion. Your assumption above assumes the 3 problems thrown out were incorrect: 53/77 = 68.8%. Work it the other direction and assume the problems thrown out were correct: 50/77 = 64.9%. I just don't see the confusion? This just proves the point that 70% is a myth. Also, don't forget that each State board has the right to ignore the NCEES recommended cut score and adopt a cut score of the own.
  6. I think my point has gotten lost b/c I did not do a good job explaining. Let say 5 questions (out of 80) are thrown out before scoring the exam and an arbitrary (I am making this up) score of 53 correct (after problems removed) is chosen as the passing # for this exam. If you had 54 questions correct (before the 5 problems were removed) but 2 of the 54 originally correct were thrown out, your correct score # is 52 = fail. If you had 54 questions correct (before the 5 problems were removed) and 0 of the 54 originally correct were thrown out, your correct score # is 54 = pass. That's what I meant by "if thrown out, hurts your chances of passing." Bottom line as previously said, get as many correct as possible!
  7. Watch the NCEES video on scoring here: https://www.youtube.com/watch?v=vwFvfJBTBGU There is no magic # to get right, b/c you don't know how many will be thrown out before the test is scored. You don't know if problems thrown out were problems you got correct on the exam (if thrown out, hurts your chances of passing) or got wrong on the exam (if thrown out, helps your chances of passing.) More info can be found here: http://ncees.org/exams/scoring/
  8. Hello Matt, Forgot to write you earlier, I personally dropped this in the mail last week. Best of luck on your exam! Harry
  9. Yes Metcalf & Eddy is useful b/c in exams past, many questions have come right from it (sometimes with the numbers changed.) Why not simply borrow it from your local library if too expensive? If you have an environmental book from college that you are already comfortable with, by all means stick with that one. Some have no Env. college class experience so Introduction to Environmental Engineering is a good starter.
  10. Wow, that is quite a list above! As a WR/ENV review course instructor, let me add that for those starting out studying, keep your list small and build up (if necessary.) In my opinion, the absolute minimum are: CERM (13th Edition) Review course notes (e.g., School of PE's notes for all five disciplines.) NCEES PE Civil: Water Resources and Environmental Sample Exam (get as many editions as you can.) Six-Minute Solutions for your discipline. Dictionary (make sure it covers Environmental terms.) Metcalf & Eddy Wastewater Introduction to Environmental Engineering by Davis & Cornwell After you master the above and feel/learn you are lacking in a subject area, then you should expand and consider purchasing additional books. Good luck to those studying!
  11. I am sorry to read you did not pass. Do not give up! I concur with everything said above. One thing I would add to consider taking a PE review course. I will help you focus on the high probability topics. Their pass rates are high for numerous reasons laid out by myself and numerous other posts/authors. If you dedicate yourself and stick to a rigid schedule, you will improve you chances off passing tremendously.
  12. Hello Bootstrap, I, along with other instructors, did teach School of PE WR/ENV online last fall so I may have been your instructor? Another online instructor is one of my former students so he may very well have continued the "tradition" of spreading these and other tips. Regarding practice exam order: Yes, I highly recommend taking PPI's first and then NCEES last as a confidence builder exercise. Slapping your fingers is a one I have never heard before. Thanks for the very kind words regarding the dictionary. As an instructor I found myself needing to recommend one yet the only viable option was Len Webster's. Don't get me wrong, Len's is great (I in fact used it on my exam) but it's now out of print and very expensive. That's why I wrote A Dictionary of Civil, Water Resources & Environmental Engineering. I didn't want students paying a fortune for a dictionary. I consider a dictionary insurance, hopefully you never have to use it, but if you do ...you'll be darn glad you have it. What's the price for getting a extra 2-4 problems correct? Glad it help you on your exam. I was an adjunct professor at Rowan University where I taught Hydraulic Design to both undergraduate and graduate students. You are doing the right thing passing on these valuable tips and pointers. I teach because I love to (or as my wife says) because I love to help others. Good luck to all those studying for the exam this Spring! Harry
  13. Bootstrap, Might I inquire where you took School of PE? Your recommendations mimic the exact same tips I have been teaching for years - I wonder if you were my WR/ENV student? Regardless, glad to read you passed! Harry (aka, Dr. Friebel)
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