ME 270 Exam 2 - Sum23 (Original) - BLANK

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Purdue University *

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27000

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Mechanical Engineering

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Apr 3, 2024

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ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Please review the following statement: I certify that I have not given unauthorized aid nor have I received aid in the completion of this exam. Signature: ______________________________________ Instructor’s Name and Section: (Circle Your Section) Sections: J. Jones M-F 9:50AM-10:50AM (Section 001) J. Jones Distance Section (Section Y01) Please review and sign the following statement: Purdue Honor Pledge “As a Boilermaker pursuing academic excellence, I pledge to be honest and true in all that I do. Accountable together We are Purdue.” Signature: ______________________________________ INSTRUCTIONS Begin each problem in the space provided on the examination sheets. If additional space is required, please request additional paper from your instructor. Work on one side of each sheet only, with only one problem on a sheet. Each problem is worth 20 points. Please remember that for you to obtain maximum credit for a problem, it must be clearly presented. Also, please make note of the following instructions. The allowable exam time for Exam 2 is 90 minutes. The coordinate system must be clearly identified. Where appropriate, free body diagrams must be drawn. These should be drawn separately from the given figures. Units must be clearly stated as part of the answer. You must carefully delineate vector and scalar quantities. Please use a black pen or dark lead pencil for the exam. Do not write on the back side of your exam paper. If the solution does not follow a logical thought process, it will be assumed in error. When submitting your exam on Gradescope, please make sure that all sheets are in the correct sequential order and make sure that your name is at the top of every page that you wish to have graded. Also, be sure to identify the page numbers for each problem before final submission on Gradescope. Do not include the cover page or the equation sheet with any of the problems.
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Problem 1 (20 points) 1A) (5 Pts) (3 pts) (2 pts)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 1B) (5 Pts) (2 pts) (2 pts) (1 pt)
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ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 1C) (5 pts) (3 pts) (2pts)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 1D) (5 pts) (2 pts) (2 pts) (1 pt)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Extra Page ( if needed )
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ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Problem 2 (20 points) GIVEN: FIND: a) (1 pt) b) (6 pts) (2 pts) (4pts)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 c) (4 pts) d) (6 pts) e) (3 pts) (3 pts) (3 pts) (3 pts)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Extra Page (if needed)
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ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 FBD 1 Problem 3 (20 points) GIVEN: FIND: a) (2 pts) b) (5 pts) (3 pts) (2 pts)
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 FBD 4 c) (3 pts) d) (8 pts) e) (4 pts) (4 pts) (2 pts) FBD 2 FBD 3
ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Extra Page (if needed)
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ME 270 Exam 2 - Summer 2023 NAME (Last, First): ________________ (Please PRINT) PUID#__________________ ME 270 Exam 2 - Summer 2023 Exam 2 Equation Sheet Buoyancy F B = 𝜌gV Fluid Statics P = 𝜌gh F eq = P avg (Lw) Belt Friction T L T s = e μβ