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Study Group for the October 2018 PE Exams in Mechanical Engineering

Taking one of the PE exams in mechanical engineering on October 26? This Community will allow you to post questions as you are studying for the exam. WebEx sessions will be held to discuss technical...
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  • Industry: Early Career Engineers

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Group Leadership

Here are the log-in instructions for the Wednesday, October 3 study group meet-up:

https://asme.webex.com/asme/j.php?MTID=mc2580e9e70c3fbe1581e678ec408104c

Call-in toll-free number (Premiere): 1-877-647-3411 (US)

Call-in number (Premiere): 1-712-770-4205 (US)


Audio Passcode: 706 297 9854

Sep 27 2018 5:19 PM
Announcement
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Group Leadership

Details on the Study Group Meet-ups for the October PE exams are in the News and Updates Section.

Sep 13 2018 4:09 PM
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David Soukup, P.E.
I have received a request from the National Council of Examiners for Engineering and Surveying (NCEES) for panelists for the FE standard-setting studies (“cut score” meetings) which will be held in August. Panelists have to have passed the FE exam but do not need to be registered PE’s. Expenses are paid to attend the meeting in Clemson, SC. If you are interested, please go to https://ncees.org/education/volunteers/exam-development-volunteers/
Feb 08 2019 5:02 PM
Shree Krishna | Aug 05 2019 1:23 PM
I missed this one. Keep me in the loop if you need any help .

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Jennifer Seals Cooper, PE
These exams don’t just test your knowledge as much as they test your state of mind. Be relaxed and calm, you have prepared for this. Best wishes to you all!
Oct 25 2018 12:09 PM

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David Soukup, P.E.
We have one more study group meet-up before the October 26 exam. Here are the log-in instructions:

https://asme.webex.com/asme/j.php?MTID=m342e32d20fce5f87f9678fae7767362f

Join by phone
Call-in toll-free number (Premiere): 1-877-647-3411 (US)

Call-in number (Premiere): 1-712-770-4205 (US)


Audio Passcode: 706 297 9854
Oct 18 2018 8:52 AM

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David Soukup, P.E.
Here are two problems that we will review at tonight's October 17 meetup:

Steam @ 200 PSIA and 500F is expanded in a turbine to 10 PSIA. The isentropic efficiency is 90%. What is the quality of the steam leaving the turbine?

A steam turbine exhausts 10,000 lbs/hr of steam to a surface condenser at 1 PSIA and 90% quality. Cooling water enters the condenser at 70F and leaves at the system temperature. How many pounds per hour of cooling water required?

Dave
Oct 17 2018 2:51 PM
John C. Blanton | Oct 20 2018 5:21 PM
What is the answer to the second problem (cooling water flow rate)?

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David Soukup, P.E.
Here are the log-in instructions for the Wednesday, October 17 study group meet-up:

https://asme.webex.com/asme/j.php?MTID=mb2780de34439de59eb297ae75a535a64

Call-in toll-free number (Premiere): 1-877-647-3411 (US)

Call-in number (Premiere): 1-712-770-4205 (US)

Audio Passcode: 706 297 9854
Oct 12 2018 5:52 PM

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David Soukup, P.E.
Here are the log-in instructions for the Wednesday, October 10 study group meet-up:

https://asme.webex.com/asme/j.php?MTID=m4e179a2a1392a14aed7a48fdda3b0c8c

Join by phone
Call-in toll-free number (Premiere): 1-877-647-3411 (US)

Call-in number (Premiere): 1-712-770-4205 (US)


Audio Passcode: 706 297 9854
Meeting number: 645 822 287
Oct 08 2018 12:27 PM

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David Soukup, P.E.
Lorna Holt of our study group has a question on 2016 NCEES thermal and fluids practice test, problem 535.
She calculated the pressure ratio, pr3 and got 21.8 as they did in the solutions. In her low pressure air tables in the Lindberg book though, at Temp 1160 R, pr is 21.18 (not 21.8 as the solutions seem to be using based on the values in the air table) so she interpolated to find the enthalpy and temp(not needed for this problem) for 21.8. By doing that she ended up with a final answer close to 0.74. If she used the enthalpy shown for 21.18, then she get the answer that the practice test shows. So she is wondering if the practice test is incorrect. She does not have another air table to check besides what is in the reference book.
We will discuss this problem during the Wednesday meet-up at 8:30 p.m.
Oct 01 2018 9:06 AM

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David Soukup, P.E.
Problem fof October 3 session
Sep 27 2018 5:33 PM

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Matt Dreyfuss
The link for the MERM tabs is:
http://peexamtabs.com/products-page/mechanical/

Mechanical | Product Categories | PE Exam Tabs

Sep 27 2018 5:45 AM
Kushi Sellahennedige | Oct 05 2018 10:30 AM
Hi Matt, Thank you for the link, and I found some online resources regarding the question I had, so all set for now :)

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David Soukup, P.E.
Just so it's handy, the text of the problem Kushi posed is: A steel pipe is painted on the outside with dull gray (oil-based) paint. The pipe is 35 ft long. The pipe has a 4 inch inside diameter and a 4.25 inch outside diameter. The pipe carries 200 cubic feet/min of 500 degree F, 25 psig air through a 70 degree F room. The conditions of the air at the end of the pipe are 350 degree F and 15 psig. Is the overall coefficient of heat transfer most nearly 1.0, 1.8, 3.6 or 49 Btu/hr-sq ft - F.? Can the heat transfer coefficient inside the pipe be neglected in the calculation?
And the link for tonight's session is https://asme.webex.com/asme/j.php?MTID=m3c04572e082fdaf08f1ae5a33668ea3f
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Sep 26 2018 3:56 PM
Matt Dreyfuss | Sep 27 2018 10:51 AM
David,
Can you post the problem numbers from the practice guides that we discussed yesterday so that we can review them during week and have an explanation next time?

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