Explore topic-wise MCQs in Design Of Steel Structures.

This section includes 8 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 value of fcr,b is given by

A. f<sub>cr,b</sub> = [1.1 <sup>2</sup>E/(L<sub>LT</sub>/r<sub>y</sub>)<sup>2</sup>]{1+1/20[(L<sub>LT</sub>/r<sub>y</sub>)/(h<sub>f</sub>/t<sub>f</sub>)]<sup>2</sup>}
B. f<sub>cr,b</sub> = [1.1 <sup>2</sup>E/(L<sub>LT</sub>/r<sub>y</sub>)]{1-1/20[(L<sub>LT</sub>/r<sub>y</sub>)/(h<sub>f</sub>/t<sub>f</sub>)]}
C. f<sub>cr,b</sub> = [1.1 <sup>2</sup>E/(L<sub>LT</sub>/r<sub>y</sub>)<sup>2</sup>]{1+1/20[(L<sub>LT</sub>/r<sub>y</sub>)/(h<sub>f</sub>/t<sub>f</sub>)]<sup>2</sup>}<sup>0.5</sup>
D. f<sub>cr,b</sub> = [1.1 <sup>2</sup>E/(L<sub>LT</sub>/r<sub>y</sub>)<sup>2</sup>]{1-1/20[(L<sub>LT</sub>/r<sub>y</sub>)/(h<sub>f</sub>/t<sub>f</sub>)]<sup>2</sup>}<sup>0.5</sup>
Answer» D. f<sub>cr,b</sub> = [1.1 <sup>2</sup>E/(L<sub>LT</sub>/r<sub>y</sub>)<sup>2</sup>]{1-1/20[(L<sub>LT</sub>/r<sub>y</sub>)/(h<sub>f</sub>/t<sub>f</sub>)]<sup>2</sup>}<sup>0.5</sup>
Discussion
2.

St. Venant s constant is given by

A. b<sub>i</sub>t<sub>i</sub><sup>2</sup>/3
B. b<sub>i</sub>t<sub>i</sub><sup>2</sup>
C. b<sub>i</sub>t<sub>i</sub><sup>3</sup>/3
D. b<sub>i</sub>t<sub>i</sub>
Answer» D. b<sub>i</sub>t<sub>i</sub>
Discussion
3.

Warping constant in elastic critical moment is given by

A. (1+ <sub>f</sub>) <sub>f</sub> I<sub>y</sub> h<sup>2</sup><sub>f</sub>
B. (1- <sub>f</sub>) <sub>f</sub> I<sub>y</sub> h<sup>2</sup><sub>f</sub>
C. <sub>f</sub> I<sub>y</sub> h<sup>2</sup><sub>f</sub>
D. (1- <sub>f</sub>)/ <sub>f</sub> I<sub>y</sub> h<sup>2</sup><sub>f</sub>
Answer» C. <sub>f</sub> I<sub>y</sub> h<sup>2</sup><sub>f</sub>
Discussion
4.

The elastic critical moment is given by

A. M<sub>cr</sub> = <sub>b</sub> f<sub>cr,b</sub>
B. M<sub>cr</sub> = <sub>b</sub>Z<sub>p</sub> / f<sub>cr,b</sub>
C. M<sub>cr</sub> = <sub>b</sub>Z<sub>p</sub>
D. M<sub>cr</sub> = <sub>b</sub>Z<sub>p</sub> f<sub>cr,b</sub>
Answer» E.
Discussion
5.

The check for non- dimensional slenderness ratio is given by

A. <sub>LT</sub> = 2.4 (Zef<sub>y</sub>/M<sub>cr</sub>)
B. <sub>LT</sub> &gt; 2 .4 (Zef<sub>y</sub>/M<sub>cr</sub>)
C. <sub>LT</sub> 1.2 (Zef<sub>y</sub>/M<sub>cr</sub>)
D. <sub>LT</sub> 1.2 (Zef<sub>y</sub>/M<sub>cr</sub>)
Answer» D. <sub>LT</sub> 1.2 (Zef<sub>y</sub>/M<sub>cr</sub>)
Discussion
6.

Non-dimensional slenderness ratio is given by

A. <sub>LT</sub> = ( <sub>b</sub>Z<sub>p</sub>f<sub>y</sub>/M<sub>cr</sub>)
B. <sub>LT</sub> = ( <sub>b</sub>Z<sub>p</sub>f<sub>y</sub>M<sub>cr</sub>)
C. <sub>LT</sub> = ( <sub>b</sub>Z<sub>p</sub>/M<sub>cr</sub>)
D. <sub>LT</sub> = ( <sub>b</sub>Z<sub>p</sub>f<sub>y</sub>)
Answer» B. <sub>LT</sub> = ( <sub>b</sub>Z<sub>p</sub>f<sub>y</sub>M<sub>cr</sub>)
Discussion
7.

Imperfection factor for welded section is

A. 4.9
B. 0.21
C. 2.1
D. 0.49
Answer» E.
Discussion
8.

Imperfection factor for rolled section is

A. 0.1
B. 0.21
C. 2.1
D. 4.9
Answer» C. 2.1
Discussion