Quiz — Structural Instabilities
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Question 1 of 10
1. Question
Which of the following statements best characterizes structural instability?
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Question 2 of 10
2. Question
Consider a ball resting on the flat surface is this structure, it is in _______ status.
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Question 3 of 10
3. Question
Which curve tells us when a structure is becoming unstable?
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Question 4 of 10
4. Question
What happens to a structure when the force-deflection curve is in the softening part?
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Question 5 of 10
5. Question
When designing a short column, the limit load predicted by Eigenvalue buckling analysis is generally:
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Question 6 of 10
6. Question
When designing slender columns, the limit load prediction by large deflection nonlinear analysis is generally:
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Question 7 of 10
7. Question
Eigenvalue analysis predicts multiple limit loads and buckling modes for a given load condition. Typically the first mode gives the lowest load at which buckling may occur. As a designer what would be your concern?
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Question 8 of 10
8. Question
When designing for buckling what is an important factor to keep in mind?
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Question 9 of 10
9. Question
Which of the following statements is true about critical speed in a rotating structure?
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Question 10 of 10
10. Question
Which of the following could cause dynamic instability?
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