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What is the primary factor that distinguishes a compact beam section from a non-compact beam section in steel design?

46. What is the primary factor that distinguishes a compact beam section from a non-compact beam section in steel design?

1. Local buckling behavior
2. Section modulus
3. Moment of inertia
4. Elastic modulus

Answer

The correct answer is: A) Local buckling behavior

Explanation

The local buckling behavior of a beam section depends on its compactness, which is determined by the ratio of the width-thickness ratio of its elements.