Explore topic-wise MCQs in Design Of Steel Structures.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Design Of Steel Structures knowledge and support exam preparation. Choose a topic below to get started.

1.

The check for design capacity of channel/I-section purlin is given by

A. M<sub>dz</sub> 1.2Z<sub>ey</sub>f<sub>y</sub>/ <sub>m0</sub>, M<sub>dy</sub> 2.4Z<sub>ez</sub>f<sub>y</sub>/ <sub>m0</sub>
B. M<sub>dz</sub> Z<sub>ez</sub>f<sub>y</sub>/ <sub>m0</sub>, M<sub>dy</sub> 1.2Z<sub>ey</sub>f<sub>y</sub>/ <sub>m0</sub>
C. M<sub>dz</sub> fZ<sub>ey</sub>f<sub>y</sub>/ <sub>m0</sub>, M<sub>dy</sub> 1.2Z<sub>ez</sub>f<sub>y</sub>/ <sub>m0</sub>
D. M<sub>dz</sub> 1.2Z<sub>ez</sub>f<sub>y</sub>/ <sub>m0</sub>, M<sub>dy</sub> fZ<sub>ey</sub>f<sub>y</sub>/ <sub>m0</sub>
Answer» E.
Discussion
2.

The design capacity of channel/I-section purlin is given by

A. M = Z<sub>p</sub>/f<sub>y</sub>
B. M = Z<sub>p</sub> <sub>m0</sub>f<sub>y</sub>
C. M = Z<sub>p</sub> <sub>m0</sub>/f<sub>y</sub>
D. M = <sub>m0</sub>/f<sub>y</sub>
Answer» C. M = Z<sub>p</sub> <sub>m0</sub>/f<sub>y</sub>
Discussion
3.

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>)
Discussion
4.

The maximum bending moment for design of channel/I-section purlin is calculated by

A. Wl/10, where W= concentrated load
B. Wl/8, where W= concentrated load
C. W/10, where W= concentrated load
D. W/8, where W= concentrated load
Answer» B. Wl/8, where W= concentrated load
Discussion
5.

When one sag rod is used, the moment about web axis

A. reduces by 50%
B. increases by 50%
C. increases by 75%
D. reduces by 75%
Answer» E.
Discussion