Q.

Which of the following is true?

A. in case of rolled section, less thickness of plate is adopted to prevent local buckling
B. for built-up section and cold formed section, longitudinal stiffeners are not provided to reduce width to smaller sizes
C. local buckling cannot be prevented by limiting width-thickness ratio
D. in case of rolled section, high thickness of plate is adopted to prevent local buckling
Answer» D. in case of rolled section, high thickness of plate is adopted to prevent local buckling
Explanation: in case of rolled section, higher thickness of plate is adopted to prevent local buckling. local buckling cannot be prevented by limiting width-thickness ratio. for built-up section and cold formed section, longitudinal stiffeners are provided to reduce width to smaller sizes.
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