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Spot on! Thanks! I've been using water density at 62.4 lbm/ft^3 on so many problems lately, that my mind is stuck on that number!

Check out the attached and let me know where I'm going wrong, or if it's just a rounding issue I need to clear up. Thanks!

Curious to see what other folks actually got for this latest problem's answer? I came up with 101 ft. and was wondering if I had a rounding error, or if I missed something. Used the energy equation. Found the total head loss in the piping by finding equivalent lengths in each section, then...

I also requested the manual verification and quickly received notice that my score had not changed. Felt it was necessary for me to try, though.

Well, the eraser smudging wasn't in my favor. Within 4 hours of requesting it, I received notice that the scoring machine was accurate. No change to my score. Looks like i'll be back in NRG come October. BTW, I took the in residence Testmasters course in Houston. It was really helpful, but there...

Roger that. I’ll likely do it. In the words of my boss, “Nothing ventured...nothing gained!”

Has anyone every had success with the board re-scoring the exam? I made a 69, so just curious to see if they would re-score it or grade it by hand to confirm the result. Figured it's worth a shot.

Oh, Thanks! When I completed the survey, it was right after the exam so there were only a few responses.

Justin,  do you have updated results to this survey? I'm interested to see them; particularly TFS results.

Jvanoye, If you don't mind, do you have any feedback on focus areas? I understand you can't disclose details, but were there any particular areas you felt you've could of focused more on? Was there a balance of machine design and materials, or did it appear to be heavier on one topic than the...

I'm having a hard time deciding which to take, as my job (natural gas reciprocating compression) consists of both MDM and TFS subjects, but I do plan to sit for the exam in April 2018. I feel like I'm pretty even keeled on both subjects. If I decide to go the MDM route, I'll follow up with you...