Can you describe the two-shot injection molding process?
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2
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1959
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May 3, 2022
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How far out do you expect a tape measurer to extend before it begins to fall? What type of failure mode does this encompass?
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2
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1954
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June 21, 2022
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What's the optimal size rock to throw if you want to throw it as far as possible?
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1
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2379
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February 10, 2021
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If you had designed this rear cover, what are 5 tests that you would conduct on the completed iPod Touch assembly to ensure that your rear cover design met all applicable requirements? Why?
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2
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1872
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February 15, 2022
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A beam is made from two cylinders, where the inner cylinder is steel and the outer cylinder is aluminum. Which cylinder will yield first if beam is a simply supported cantilever beam?
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0
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569
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December 20, 2022
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Given an adjustable crescent wrench, which cross-sections would you use for different parts of the wrench?
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2
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1763
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July 31, 2021
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Definitive Plastic Manufacturing Guide
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1
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1213
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September 3, 2020
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You want to minimize beam deflection. If you had to choose between changing the width or the height of the cross-section of a beam, which would one you choose and why?
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1
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2121
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August 4, 2020
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What DFMA considerations would you have when switching the material of a machined component from aluminum to steel?
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2
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1629
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March 8, 2022
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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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1366
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August 28, 2023
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What are the key components in a consumer electronic laptop?
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2
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1547
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October 3, 2020
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What are the equations of motion for a mass-spring damper system?
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1
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1884
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October 4, 2020
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How do you change the cross-section of a beam to minimize deflection?
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1
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1788
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March 6, 2022
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Basics of Compression Molding
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1
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1772
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September 6, 2020
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The buckle on your backpack is breaking. How would you redesign the part to ensure this doesn't happen?
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1
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1767
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August 10, 2020
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What's the difference between thermoset plastics and thermoplastics?
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1
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1720
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April 25, 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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1358
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February 15, 2022
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What's the difference between a true stress-strain curve and a traditional stress-strain curve?
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1
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1635
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August 5, 2020
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Basics of Injection Molding
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1
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1633
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September 3, 2020
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For a simply supported beam, which beam would have less deflection: a single stacked or double stacked beam?
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3
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1151
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January 30, 2023
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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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1316
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April 24, 2022
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Why is a manhole cover round?
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1
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1559
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March 22, 2022
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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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1553
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August 3, 2021
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Describe a CPU heat sink geometry and why it has that geometry. What would you do to improve or decrease the heat transfer of a heat sink?
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1
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1527
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March 3, 2022
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Types of Thermal Cooling for Consumer Electronics
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2
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1243
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October 4, 2020
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Top Electrical Engineering Interview Questions
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3
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604
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July 12, 2023
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If I have sealed tubing subjected to its maximum pressure rating, where would it fail and why?
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1
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1481
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October 3, 2020
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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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1177
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February 17, 2022
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When should you counterbore vs. countersink a hole?
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1
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1435
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July 31, 2021
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If you have an enclosed room and I open the refrigerator, how will room temperature change?
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1
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1427
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August 4, 2020
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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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1124
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February 15, 2022
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You're designing a product rated to last for 5 years. How would you validate the design in terms of testing for performance, durability, and reliability?
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1
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1368
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February 21, 2022
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If you have a cantilevered beam with one end fixed to a wall and the other end free, and there is a moment acting on the free end, where will the beam fail?
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1
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1349
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July 31, 2021
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What are common grades of stainless steel used in manufacturing?
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1
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1337
|
July 27, 2020
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If there is a diving board, how would you half the deflection?
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1
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1329
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July 31, 2021
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Is a laminar or turbulent boundary layer better for heat transfer from the surface to the environment?
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1
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1324
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August 5, 2020
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Two concentric tubes, where the inner tube is made of aluminum and outer tube is steel, are assembled vertically with a mass on top. Which tube will see more deflection?
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3
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935
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October 26, 2023
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What are some important characteristics for material selection?
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1
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1310
|
August 5, 2020
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Two cylindrical tanks are full of water, where one is oriented horizontally and another vertically. If a hole is drilled in the bottom of the tank, which one empties first?
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1
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728
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September 24, 2023
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Basics of Blow Molding
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1
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1289
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September 6, 2020
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You have a bench (image), where would you sit to maximize the reaction force on one end?
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2
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1026
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August 12, 2021
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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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1233
|
February 16, 2022
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Basics of Plastic Extrusion
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1
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1197
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September 3, 2020
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Testing Hardware Products Guide
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2
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977
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August 13, 2020
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When you use the front brakes on your bicycle, why does your body want to rotate over the front wheel?
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1
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1157
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January 13, 2021
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Your product is within spec at one location, but out of spec in another. Why?
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1
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1147
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January 13, 2022
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Basics of Thermoforming
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1
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1146
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September 6, 2020
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What is a unity feedback loop and the core components of the system?
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1
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1139
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September 7, 2020
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Can you apply MMC to a profile of surface call out in GD&T?
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1
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1129
|
August 12, 2021
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Can you draw the block diagram for an inverting operational amplifier and derive the gain equation?
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2
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916
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April 4, 2022
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