Civil Engineering MCQAE Level Civil Engineering
In the flexibility (force) method for a 3-times statically indeterminate structure, the compatibility equations result in:
Structural AnalysisForce Method UnknownsMEDIUM
Choose the correct answer
A
A 3×3 set of linear equations to find 3 redundants
B
3 separate determinate problems
C
A single equation relating 3 redundants
D
9 unknowns
Correct Answer
A. A 3×3 set of linear equations to find 3 redundants
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
The force method yields n compatibility equations (n = degree of indeterminacy) in n redundant unknowns. For DSI=3, we get 3 equations in 3 unknowns, solved simultaneously.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to AE Level Premium Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.