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- Subject
- Structural Analysiscivil-engineering-mcqs › structural-analysis
- Published
- 19 Jan 2019
- Last updated
- 28 May 2026
Explanation
The principle of virtual work in elastic systems involves considering the virtual work done by both internal forces (such as stresses within the material) and external forces (such as applied loads). Ignoring either would lead to an incomplete analysis.
More Structural Analysis MCQs
Practice related questions from the same subject.
- 1.Consider the following statements regarding the applicability of displacement and force methods in structural analysis. Which pair of statements is accurate?
- 2.For a stable structure, which statements correctly describe the characteristics of the diagonal elements in the flexibility and stiffness matrices?
- 3.How is the j-th column of the flexibility matrix obtained?
- 4.According to the slope deflection method, which of the following forces are responsible for causing deformations?
- 5.How many independent equations must be fulfilled to achieve static equilibrium in a planar structure?
- 6.For a pin-jointed planar frame with m unknown member forces, r unknown reaction components, and j joints, how is the degree of static indeterminacy calculated?
- 7.What is the degree of static indeterminacy for a rigidly connected planar frame consisting of 15 members, 14 joints, and 3 reaction forces?
- 8.What are the independent displacement components at every joint in a rigid-jointed planar frame?
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