When designing steel structures, one must ensure that local

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When designing steel structures, one must ensure that local buckling in webs does not take place. This check may not be very critical when using rolled steel sections because.

1. Quality control at the time of manufacture of rolled sections is very good
2. Web depths available are small
3. Web stiffeners are in-built in rolled sections
4. Depth to thickness ratios (of the web) are appropriately adjusted.

Correct Option: D

Depth to thickness ratios (of the web) are appropriately adjusted.