The shaft shown below is made from 1040 steel with propertie…

The shaft shown below is made from 1040 steel with properties of Sy = 71 ksi and Sut = 85 ksi with dimensions given, and the journal bearings at A & B prevent motion of the shaft but do not create reaction moments. Forces F1 = [F1]0 lbf and F2 = [F2]0 lbf are applied in the vertical direction to the shaft as it rotates. Determine the minimum diameter needed for the shaft so that it will last an estimated N = [N],000 cycles before fatigue failure. Use an endurance limit of Se = 40 ksi.Hint: The critical location will be at bearing B.Enter your answer in units of inches and rounded to 3 decimal places. Write down all your work to scan and submit. L1 = [L1] inch, L2 = [L2] inch, L3 = [L3] inch  

The exam is 120 minutes. You will have an additional 15 minu…

The exam is 120 minutes. You will have an additional 15 minutes to print (if available), scan, and upload. If you submit after the allotted time, your exam will be considered late and may incur a late penalty. After you complete your exam, scan your solutions into one .pdf file. Please upload your completed exam file by clicking on the “Add File” button underneath Question 1’s blank answer field. Download exam file here: CSCI-567 – Exam 1 Please read the following instructions carefully: • The duration of the exam is 120 minutes, closed book and notes. • A cheatsheet is allowed (1 page, both sides). • Collaboration of any kind is strictly prohibited. Violation will lead to 0 score for the entire exam and be reported to SJACS. • If you require an additional page for a question, you can use the extra page provided at the end of this booklet. However, please indicate clearly that you are continuing the solution on the additional page.  If your exam utilizes Gradescope’s Student App, Do NOT upload to Gradescope. You will only upload your scanned exam file to this D2L quiz.