2022 BE 1251 Exam 2 Version 1

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Louisiana State University *

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1251

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Mechanical Engineering

Date

Apr 3, 2024

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docx

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2

Uploaded by CountJackalMaster28

2022 BE 1251 Exam 2 Version 1 Name ___Robert Anguiano_____ Type in your name above, bold or write short answer (brief bullet points are acceptable) in the spaces provided below. When finished, save as a PDF (.pdf) and upload to Moodle in the 10/31 to 11/4 section. 10 points total. 1) (3 points) Patrick (fictional character) has the experience below. Please state if Patrick is an engineer or not based on how we defined engineering in class and (briefly) why. a. Patrick was talking with his neighbor he said that his gutter kept overflowing. Patrick went over and took a look at the gutter. A 1-foot section of the neighbor’s gutter was sagging and not well connected to the eve of the house. Patrick looked-up the gutter specifications, diagram, and the installation guide. He saw the maximum weight the gutter can hold is 1 lb per linear foot, and that screws should be attaching the gutter to the eve every 3 to 6 inches. When he observed the screws, he noticed there were some missing and only screws every 1 foot. When he got up to look inside the gutter he saw several chipped bricks had broken from the chimney and fallen into the gutter. After taking the bricks to his kitchen scale he found there was about 2.5 lbs of bricks. He removed the bricks, straightened the gutter and measured two points 3 inches apart and added the screws to attach the gutter to the eve. Patrick’s neighbor was thankful for his time and effort. Patrick is an engineer, he is repairing the gutter, this is a part of the process by trying different things to solve the problem, he is innovating a solution for the problem by using information that he gathers from observing the design aspects of the gutter. 2) (3 points) In Figure 1 above, name three-dimension rules that are not being followed. F E D A C B Figure 1. Elbow with holes
Dimensioning inside the figure as in the red circle, repeated dimensioning of the same distance as in the green circle finally the dimensions should not touch eachother where also in the green circle, they overlap. 3) (4 points) List below which letters correspond to the which line or object below: 1) Dimension Line C 2) Extension Line A 3) Dimension B 4) Diameter symbol D
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