moment of inertia or other?
do we need to know I = bd^3/12 i thought i saw somewhere that it would be helpful
also. i forget. structural calculations of any sort on PDD? someone said it was PPD and i’m a tad confused.
THANKS

from all my research, i don't think so. i certainly hope not. i think we just need to know basics, the handbook only calls out calculating loads on a structure member. their example problem is pretty simple. https://www.ncarb.org/sites/default/files/ARE5Handbook.pdf

From my experience you don’t have to know how to calculate it but, you have to understand what it means and how increasing/decreasing it effects your outcome.
As far as calculations  understand beam loading diagrams, how you solve for reactions, moment, etc. There might be other small formulas but, you don’t need to memorize. The question should give you enough to figure it out.
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