According to Castigliano's second theorem, the deflection at a loaded point in a structure equals:
Choose the correct answer
Total strain energy divided by load
Partial derivative of total strain energy with respect to that load
Second derivative of strain energy with respect to load
Integral of BM diagram over span
Correct Answer
B. Partial derivative of total strain energy with respect to that load
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Castigliano's 2nd theorem: δ = ∂U/∂P, where U is total strain energy and P is the load at the point and direction of required deflection.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
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.