

MCQOPTIONS
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1. |
The required section modulus of the channel/I-section purlin can be determined by |
A. | Z<sub>pz</sub> = M<sub>y</sub> <sub>m0</sub>/f<sub>y</sub> + (b/d)(M<sub>z</sub> <sub>m0</sub>/f<sub>y</sub>) |
B. | Z<sub>pz</sub> = M<sub>z</sub> <sub>m0</sub>/f<sub>y</sub> + (b/d)(M<sub>y</sub> <sub>m0</sub>/f<sub>y</sub>) |
C. | Z<sub>pz</sub> = M<sub>z</sub> <sub>m0</sub>/f<sub>y</sub> + 2.5(b/d)(M<sub>y</sub> <sub>m0</sub>/f<sub>y</sub>) |
D. | Z<sub>pz</sub> = M<sub>y</sub> <sub>m0</sub>/f<sub>y</sub> + 2.5(b/d)(M<sub>z</sub> <sub>m0</sub>/f<sub>y</sub>) |
Answer» D. Z<sub>pz</sub> = M<sub>y</sub> <sub>m0</sub>/f<sub>y</sub> + 2.5(b/d)(M<sub>z</sub> <sub>m0</sub>/f<sub>y</sub>) | |