Civil Engineering MCQAE Level Civil Engineering
A rigid-jointed plane frame has 4 joints, 5 members, and 3 external reactions. Its degree of static indeterminacy is:
Structural AnalysisFrame with 4 JointsMEDIUM
Choose the correct answer
A
3
B
4
C
6
D
9
Correct Answer
C. 6
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DSI = 3m + r - 3j = 3(5) + 3 - 3(4) = 15 + 3 - 12 = 6.
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