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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
|
1283
|
February 14, 2024
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You are designing a steel beam to minimize deflection for a given force and avoid permanent deformation. Which material property should be maximized?
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1
|
789
|
February 2, 2024
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On the material datasheet of most polymers, the glass transition temperature, Tg, is provided. What does the glass transition temperature refer to?
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1
|
523
|
January 5, 2024
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If two vehicles are identical, except for one weighing twice as much as the other vehicle, and they roll down a hill, which car reaches the bottom first?
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8
|
10691
|
December 11, 2023
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FIR vs IIR filter
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1
|
361
|
July 11, 2023
|
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What are six ways to reduce cantilever beam deflection?
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3
|
22810
|
February 5, 2023
|
|
What's the difference between thermoset plastics and thermoplastics?
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1
|
1976
|
April 25, 2022
|
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Why does plastic become brittle in cold temperature?
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2
|
3918
|
March 10, 2022
|
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How do you change the cross-section of a beam to minimize deflection?
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1
|
2101
|
March 6, 2022
|
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Describe the stress-strain curve between brittle and flexible materials?
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1
|
6193
|
August 3, 2021
|
|
A floating helium balloon is in the backseat of a car. If the car accelerates forward, which direction does the balloon float and why?
|
|
1
|
3037
|
August 4, 2020
|
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How can you reduce moisture absorption in nylon?
|
|
1
|
2907
|
September 28, 2020
|
|
How do the strength-to-weight ratio of aluminum vs. steel compare?
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1
|
2939
|
August 7, 2020
|
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What graph would you look at to see whether a material would fail from long-term exposure to vibrations?
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1
|
3171
|
September 11, 2020
|