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About the Mechanical Design category
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0
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684
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September 13, 2023
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You have a stool with four legs identical in size. Two legs are made from aluminum, while the other legs are made from steel. If a load is placed on the stool's seat, will the legs take equal load or not?
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9
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10324
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November 21, 2025
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How would you tolerance a touch screen assembly to the mounting chassis of a smart phone?
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5
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3636
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August 16, 2025
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What are critical dimensions necessary in the tolerance stack-up/loop to minimize the part gap?
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2
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2457
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August 9, 2025
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Barrel Connector Concentricity
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2
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1166
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July 14, 2025
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Walk me through the different materials used on the visible exterior of your phone, why those specific materials might be used, and how they are manufactured
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2
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4033
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June 19, 2024
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You have two identical bolts and nuts torqued to the same spec clamping two faces together. One bolt is lubricated while the other is not. What is the clamp load of each bolt?
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2
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3401
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February 14, 2024
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If you had to pressurize a pressure vessel in testing, would you rather pressurize with liquid or gas and why?
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1
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2886
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January 21, 2024
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Truss Loading: Force Calculation & Displacement
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0
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1323
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December 11, 2023
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What are the major design considerations for optimizing airflow?
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1
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2031
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September 18, 2023
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What are the different types of stress & force a material can endure?
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1
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6672
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August 3, 2021
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Is a pressure vessel more likely to fail from repeated cycles of low pressure or a one off high pressure spike?
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1
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2110
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August 12, 2021
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Why does a computer/office chair have fives legs? Why does a chair have four?
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1
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2713
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September 15, 2023
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How would you design an automated sticker peeler?
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0
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1376
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August 10, 2021
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Draw a commuter bike-label every single part on it. Explain what it’s job is and why it is designed that way
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0
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1388
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August 6, 2020
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iPhone Home Button: How would you design the mechanism of the home button?
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0
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2573
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April 17, 2022
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If you were asked to design an electric toothbrush, a mining truck, and a satellite to be launched in to space, what considerations would you have for each?
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0
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1143
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January 24, 2023
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What type of tests would you conduct on a solid state drive?
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0
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1320
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January 4, 2021
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What techniques are used to mitigate rotational vibration on a hard disk?
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0
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1967
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August 8, 2020
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Your device has a stylus. How do you store it? How do you charge it? What kind of things can you use it for?
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0
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1099
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August 8, 2020
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Explain the types of tests you would conduct on an Oculus Rift
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0
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1560
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September 2, 2020
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Describe how you would design a mounting for a resistor?
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0
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1069
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January 24, 2023
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How do you test for waterproofing on consumer electronic products (smart phone, tablet, etc)?
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3
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3402
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August 28, 2023
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What are seven ways to bond plastic and metal?
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2
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4269
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June 15, 2023
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Describe how you approach material selection/design for a component where strength is critical, and how you would approach a different component where stiffness is critical?
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2
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4588
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May 28, 2022
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A garden hose has stopped flow. There is constant static pressure and no water hammer. Why does the hose tear in the axial direction at the end of the hose?
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2
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3181
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April 24, 2022
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What are the key parameters to consider when selecting a fan for forced airflow?
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2
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2641
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February 17, 2022
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How would you design a snap fit? Where are snap fits used most often? How much force does it usually take to insert a snap fit?
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1
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2392
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February 16, 2022
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Name all the ways of actuating an object you can think of. What are the pros and cons of each?
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2
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2140
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February 15, 2022
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You have a long slender vertical member with a compressive force on one end, what if the dominant failure mode?
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2
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2504
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February 15, 2022
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