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Structural Analysis - Interview Questions and Answers

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11. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is
A. 2
B. 3
C. 6
D. 8
Explanation:
12. The degree of static indeterminacy of a rigid-jointed space frame is
A. m + r - 2j
B. m + r - 3j
C. 3m + r - 3j
D. 6m + r - 6j
Explanation:
13. The principle of virtual work can be applied to elastic system by considering the virtual work of
A. internal forces only
B. external forces only
C. internal as well as external forces
D. none of the above
Explanation:
14. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always
A. zero
B. less than 1
C. 1
D. greater than 1
Explanation:
15. Principle of superposition is applicable when
A. deflections are linear functions of applied forces
B. material obeys Hooke's law
C. the action of applied forces will be affected by small deformations of the structure
D. none of the above
Explanation: