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You have 5kg of Aluminum and 5kg of Steel. You can make whatever cross section beam you want with these materials. If you have to make a cantilever beam 1m long with a load at the end and you want to minimize the deflection. What material would you use?
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2
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648
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January 29, 2021
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When is a screw better than a nail and the reverse question?
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2
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413
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November 13, 2020
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What are the key components in a consumer electronic laptop?
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3
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472
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October 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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2
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311
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August 4, 2020
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Imagine a dashed diver line down a mile length of a straight road. Explain how you would calculate the volume of paint required for this mile stretch of road
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1
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193
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October 3, 2020
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What are six ways to reduce cantilever beam deflection?
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3
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1592
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October 1, 2020
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If I have a solid rod and hollow rod with the same mass and I let them roll down a ramp, which one reaches the bottom first and why?
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3
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981
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October 1, 2020
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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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1
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277
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August 6, 2020
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Basics of Sheet Metal Design
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3
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239
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September 6, 2020
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You put a glass of water on a record turntable and begin slowly increasing the speed. What happens first? Does the glass slide off or tip over, or does the water splash out?
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2
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881
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August 6, 2020
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What are the three laws of thermodynamics?
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2
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2738
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August 2, 2020
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You have a concentrated load at the center of a beam with two point supports on either end. Describe the shear force and bending moment diagram
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2
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311
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July 27, 2020
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GD&T Topics for reference
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2
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243
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September 6, 2020
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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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1
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140
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August 6, 2020
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What is the difference between stiffness and strength?
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2
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426
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August 5, 2020
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What type of testing would you perform on a solid-state drive (SSD)?
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1
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106
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August 2, 2020
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What was a time when you had to perform an experiment to inform a design decision?
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1
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168
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July 29, 2020
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A flagpole is mounted to the ground and an eagle is sitting on top with wind causing the pole to sway back and forth. Describe ways to reduce the amount of motion in the flagpole
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2
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350
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July 29, 2020
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At what region of a stress-strain curve does strain hardening occur? What does strain hardening do?
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2
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383
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July 28, 2020
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List common types/grades of steel
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2
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334
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July 27, 2020
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You are in a rowing boat on a lake. A large heavy rock is also in the boat. You heave the rock overboard. It sinks to the bottom of the lake. What happens to the water level in the lake? Does it rise, fall or stay the same?
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2
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456
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July 27, 2020
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Label and describe the key points on a stress-strain curve
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2
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501
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July 27, 2020
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