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About Calixico

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    Project Engineer

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  1. I was working problems and come acorss the solution to this one and I'm stumped. Can someone please explain to me where the (500/449) coming from. I know they are using the Hazen William Head loss equation and that those values represent the flow rate (but how?). I'm just confused where this is coming from. Thank you! Froude1_Page_1.pdf
  2. So in other words it's the total vertical rise between the source water level surface to the destination reservoir water surface level?
  3. I read CERM but can't find any problem of this sort to clear up my confusion on the subject. Could someone please tell me what is the TDH, given this diagram? Based on my understanding, I chose 124' (distance b/w the inlet and outlet center line of the pump). This is assuming that friction and velocity head is not included or is not given in the problem statement. Is this correct? Untitled.pdf
  4. I thought #7 would be D, as the cut of the soil on the profile diagram (= rising limb on the mass diagram) does not stop, so I am assuming that it continues. Asnwer B assumes that the cutting of the soil stop, thus abruptly returning to the balance line on the masss diagram. What do you think, Problem #6 answer s ©. D is balance earthwork operation since the net cut is zero between the balance point. Any other takers, I cannot verify my anaswers as I lost the solution, but curious to hear what others think.
  5. Lost the solution to these two problem and need to verify my answers. Please let me know your solution for the two problems. 6.pdf
  6. Ok. If a problem ask how many blocks are needed in a problem statement, given each sides dimensions, and the wall thickness of a building, I should use the outside perimeter lengths to get the total perimeter of all sides, which is ultimately used and divided by the s.f. of one block. Assuming they say neglect mortar joints. Correct.
  7. I bought testmaster notes but cannot read this one chart from the construction module. Could someone who has a cleaner copy of this sheet tell me the respective numbers and where they're actually assigned. Test Masters - Construction 2010 25.pdf
  8. I am looking through Ruwan Rajapakse Civil PE Professional Engineer Exam Construction Module Book and came across this problem: A wall is build using standard brick (L=8", H=2-1/4", Thickness= 3- 3/4 in). A wall to be built with bricks is one brick thick. How many bricks are required if motar is 1/4 in thick? The solution states that the new length of the brick (with the motar) 8"+ 1/8" + 1/8" = 8 1/4" and the height of the brick with the motar is 2 -1/4" + 1/8" +1/8" = 2- 1/2". This is where I am confused: shouldn't the new length and height of the brick be: 8"+ 1/4" + 1/4" = 8 1/2" and 2 -1/4" + 1/4" +1/4" = 2- 3/4" respectively. Or this is standard? It appears that the author is splitting the mortar into two, then adding it (mortar thickness/2) to the brick's length and height. FYI, The problem in his book is on page 103 for the construction folks who have this book
  9. I am working this problem which asked for the grade (in %) on the declining tangent piece of a crest vertical curve, but having a hard time completing it in a timely manner. The problem gives the PVC station and elevation, PI station and elevation, elevation and station at the End of Vertical curve and the length of the curve, What's the formula, or quickest way to solve this problem given these variables. I use the formula (in School of PE notes), which is used to find curve elevation at a given point on the curve, but in this case I have the curve elevation, but not enough information to used it with (R=(g2-g1)/2) since the g2 is unknown. Any help is appreciated. :beat:
  10. Looking for anyone here willing to exchange notes. I have School of PE notes and would like to swap with anyone that has Testmasters PE and/or Goswami notes. PM me if you want to do this.
  11. I understand that if a vertical member is between two colliner members and no force are applied at that joint, the force in the member is zero. If a force is applied at the joint, the internal force in that member is equal to the applied load. Am I correct in my solution to this problem---- that the answer if 10k and 10k, answer choice 'C" ? If the two 10k load was removed from joint "B" and "D", then the two vertical members would become zero force members. Could someone please confirm this for me.
  12. I guessed wildly on about 7 in the morning and about 10 in the afternoon. I also hope that I get the ones I believe that I got right, correct too. The morning was not too difficult for me except those seven. For some odd reason I could not get any of the answers listed for one of the Geotech morning problems and I am 90 % sure that I had the right equations on hand. In fact the question was almost identital to one I had worked out and brought in as a sample problem, for reference. I almost got messed up in the spending too much time on any particualr problem trap----------It took me about 15 minutes trying to work it before I finally gave up, finally realizing that I had spent too much time on it and just guessed it. Assuming that I get the ones I answered correctly, that gives a base score of 63 correct. Only time will tell..Good luck!
  13. This is not listed on NCEES specification for Transportation Depth. I have practiced these problems but started to think I went overboard and studied things not even gonna be on the morning or afternoon Transpo. P.m. Any thoughts?
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