|
How do you calculate the correct sample size for reliability testing?
|
|
4
|
285
|
April 15, 2021
|
|
What's the optimal size rock to throw if you want to throw it as far as possible?
|
|
2
|
472
|
February 10, 2021
|
|
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?
|
|
2
|
648
|
January 29, 2021
|
|
Given an adjustable crescent wrench, which cross-sections would you use for different parts of the wrench?
|
|
2
|
345
|
January 28, 2021
|
|
Describe/draw the stress-strain curve of aluminum vs. steel on the same graph
|
|
4
|
780
|
January 4, 2021
|
|
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?
|
|
1
|
208
|
January 4, 2021
|
|
Given a wall-mounted cantilever beam, describe the shear force diagram and bending moment diagram
|
|
4
|
785
|
January 4, 2021
|
|
Rank the strength of the following materials from strongest to weakest: carbon fiber, plastic, steel, aluminum
|
|
7
|
1210
|
January 4, 2021
|
|
What are the key components in a consumer electronic laptop?
|
|
3
|
472
|
October 3, 2020
|
|
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?
|
|
2
|
311
|
August 4, 2020
|
|
What are six ways to reduce cantilever beam deflection?
|
|
3
|
1592
|
October 1, 2020
|
|
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?
|
|
3
|
981
|
October 1, 2020
|
|
A steel tube and a brass rod are concentrically located. their ends are fixed on both sides using rigid plates. One of these plates is fixed to the wall, the other is free. Heat is applied to the system, explain the stresses that develop in the system
|
|
2
|
850
|
September 24, 2020
|
|
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
|
|
1
|
277
|
August 6, 2020
|
|
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?
|
|
2
|
881
|
August 6, 2020
|
|
A disk with the hole in the middle is heated. Does the hole get bigger, smaller, or stay the same size?
|
|
2
|
481
|
August 5, 2020
|
|
Statistical Analysis Guide
|
|
2
|
169
|
August 14, 2020
|
|
A car on a hill of constant slope accelerates from rest under gravity to a point on the hill. If you want to maximize the velocity of the car at this point, where along the length of the car (e.g. downhill or uphill) would you fix an additional mass?
|
|
1
|
237
|
August 6, 2020
|
|
What are some important characteristics for material selection?
|
|
2
|
308
|
August 5, 2020
|
|
What are the different ways you can identify if a part is steel or aluminum?
|
|
2
|
610
|
August 5, 2020
|
|
What is the difference between stiffness and strength?
|
|
2
|
426
|
August 5, 2020
|
