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# BuffaloWings

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1. ## NCEES 2001 Exam - #507

Answer is B. I can post their solution if needed.
2. ## NCEES 2001 Exam - #507

Could anyone provide a better solution and explanation to this problem than what they provide in the book? I got the wrong answer because I multiplied the mass flow rate of the air stream by the inlet & outlet humidity ratios and kept the mass flow rate of water stream stay constant. I guess I should have not multiplied the air flow rates by the humidity ratios and instead removed the mass rate of evaporation from the mass flow rate of water.
3. ## 2019 NCEES Problem #34

Absolutely! Thank you
4. ## 2019 NCEES Problem #34

Would someone be able to draw me a schematic for this problem to help me understand the solution? I’m stumped.
5. ## Practice Problems & Exams Difficulty

Thank you everybody for their feedback.
6. ## Practice Problems & Exams Difficulty

What would you rank the difficultly and usefulness of the below Practice Problems/Exams for studying for TFS Exam: NCEES 2001 Practice Exam NCEES 2008 Practice Exam NCEES 2016 Practice Exam EngProGuide Practice Exam SlaythePE Practice Exam PPI Practice Exam PPI Practice Problems 6 Minute Solutions
7. ## NCEES 2001 #525

Thank you! A lot easier then I originally thought
8. ## NCEES 2001 #525

Can someone help explain how to get the solution for this problem.

Anyone know of some YouTube videos or channels that they recommend to those studying for the TFS PE Exam? I'm more of a visual learner than reading textbooks.
10. ## 2020 PPI Practice #57

Why does y equal m3/m1 and also m2/m7
11. ## 2020 PPI Practice #57

Can someone help me understand this solution. I get confused in the 2nd part when they calculate y using the enthalpy at State 2, 6, and 7.
12. ## 2001 NCEES Practice #127

Thank you everyone!
13. ## 2001 NCEES Practice #127

Can someone explain why the answer to Problem #127 is 100F
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