Explore topic-wise MCQs in Design Steel Structures.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Design Steel Structures knowledge and support exam preparation. Choose a topic below to get started.

1.

For which of the following cases are equal angles preferred in bolted plate girder flange?

A. when large number of connectors are required to connect flange angle to web
B. when very few number of connectors are required to connect flange angle to web
C. for reducing cost
D. for aesthetic appearance
Answer» B. when very few number of connectors are required to connect flange angle to web
Discussion
2.

Which of the following angle should be ideally used in bolted plate girder flange?

A. bulb angle
B. equal angle
C. unequal angle with short leg horizontal
D. unequal angle with long leg horizontal
Answer» E.
Discussion
3.

The minimum area of flange angles with cover plate for riveted/ bolted plate girder should be

A. 1/6th of calculated flange area
B. 1/3rd of calculated flange area
C. 1/8th of calculated flange area
D. 1/4th of calculated flange area
Answer» C. 1/8th of calculated flange area
Discussion
4.

The optimum depth of web of plate girder is given by

A. (k/fy)0.33
B. (Mzk/fy)
C. (Mzk/fy)0.33
D. (Mzk/fy)2
Answer» D. (Mzk/fy)2
Discussion
5.

When only transverse stiffeners are provided and d/tw < 345 εf to meet compression flange buckling criteria, the range of c should be

A. c ≥ 4.5d
B. c > 3d
C. c > 1.5d
D. c < 1.5d
Answer» E.
Discussion
6.

The d/tw should be ___ to avoid buckling of compression flange into web when transverse stiffeners are not provided

A. ≥ 500 εf2
B. ≤ 345 εf2
C. ≥ 345 εf2
D. ≤ 500 εf2
Answer» C. ≥ 345 εf2
Discussion
7.

What is the range of c to meet serviceability criteria when transverse and longitudinal stiffeners are provided at one level only, at 0.2d from compression flange and c/tw ≤ 250 εw ?

A. c < 0.74d
B. 0.74d ≤ c ≤ d
C. c ≥ d
D. c > 2d
Answer» C. c ≥ d
Discussion
8.

The depth-to-thickness ratio of web when only transverse stiffeners are provided and 3d ≥ c ≥d, where c is clear distance between stiffeners and d is depth of web is_____ to meet serviceability criteria

A. ≤ 200εw
B. ≥ 200 εw
C. > 200 εw
D. ≤ 400 εw
Answer» B. ≥ 200 εw
Discussion
9.

THE_OPTIMUM_DEPTH_OF_WEB_OF_PLATE_GIRDER_IS_GIVEN_BY?$

A. (k/f<sub>y</sub>)<sup>0.33</sup>
B. (M<sub>z</sub>k/f<sub>y</sub>)
C. (M<sub>z</sub>k/f<sub>y</sub>)<sup>0.33</sup>
D. (M<sub>z</sub>k/f<sub>y</sub>)<sup>2</sup>
Answer» D. (M<sub>z</sub>k/f<sub>y</sub>)<sup>2</sup>
Discussion
10.

Which of the following angle should be ideally used in bolted plate girder flange?$

A. bulb angle
B. equal angle
C. unequal angle with short leg horizontal
D. unequal angle with long leg horizontal
Answer» E.
Discussion
11.

The_minimum_area_of_flange_angles_with_cover_plate_for_riveted/_bolted_plate_girder_should_be$

A. 1/6<sup>th</sup> of calculated flange area
B. 1/3<sup>rd</sup> of calculated flange area
C. 1/8<sup>th</sup> of calculated flange area
D. 1/4<sup>th</sup> of calculated flange area
Answer» C. 1/8<sup>th</sup> of calculated flange area
Discussion
12.

The thickness of flange cover plate should be ______ flange angle in bolted connections

A. less
B. more
C. twice
D. can be more or less
Answer» B. more
Discussion
13.

Flange cover plates are used in plate girder when

A. flange cover plates are not used
B. for aesthetic appearance
C. when moment resisting capacity has to be increased
D. when moment resisting capacity has to be decreased
Answer» D. when moment resisting capacity has to be decreased
Discussion
14.

For_which_of_the_following_cases_are_equal_angles_preferred_in_bolted_plate_girder_flange?

A. when large number of connectors are required to connect flange angle to web
B. when very few number of connectors are required to connect flange angle to web
C. for reducing cost
D. for aesthetic appearance
Answer» B. when very few number of connectors are required to connect flange angle to web
Discussion
15.

When only transverse stiffeners are provided and d/tw < 345 εf to meet compression flange buckling criteria, the range of c should b?#

A. c ‚â• 4.5d
B. c > 3d
C. c > 1.5d
D. c < 1.5d
Answer» E.
Discussion
16.

The d/tw should be ___ to avoid buckling of compression flange into web when transverse stiffeners are not provided

A. ≥ 500 ε<sub>f</sub><sup>2</sup>
B. ≤ 345 ε<sub>f</sub><sup>2</sup>
C. ≥ 345 ε<sub>f</sub><sup>2</sup>
D. ≤ 500 ε<sub>f</sub><sup>2</sup>
Answer» C. ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢ 345 ‚âà√≠¬¨¬µ<sub>f</sub><sup>2</sup>
Discussion
17.

When a plate girder bends, vertical compression in web is due to

A. downward vertical component of compression flange bending stress only
B. downward vertical component of tension flange bending stress only
C. downward vertical component of compression flange and upward vertical component of tension flange bending stress
D. upward vertical component of compression flange and downward vertical component of tension flange bending stress
Answer» D. upward vertical component of compression flange and downward vertical component of tension flange bending stress
Discussion
18.

When second longitudinal stiffener is provided, d/tw to meet serviceability criteria is

A. ≤ 400 ε<sub>w</sub>
B. ≥ 400 ε<sub>w</sub>
C. > 800 ε<sub>w</sub>
D. ≤ 800 ε<sub>w</sub>
Answer» B. ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢ 400 ‚âà√≠¬¨¬µ<sub>w</sub>
Discussion
19.

What is the range of c to meet serviceability criteria when transverse and longitudinal stiffeners are provided at one level only, at 0.2d from compression flange and c/tw ≤ 250 εw ?$

A. c < 0.74d
B. 0.74d ≤ c ≤ d
C. c ‚â• d
D. c > 2d
Answer» C. c ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢ d
Discussion
20.

The depth-to-thickness ratio of web when only transverse stiffeners are provided and c < 0.74d, where c is clear distance between stiffeners and d is depth of web is_____ to meet serviceability criteria

A. ≤ 200 ε<sub>w</sub>
B. ≥ 270 ε<sub>w</sub>
C. > 200 ε<sub>w</sub>
D. ≤ 270 ε<sub>w</sub>
Answer» E.
Discussion
21.

The depth-to-thickness ratio of web when only transverse stiffeners are provided and 3d ‚â• c ‚â•d, where c is clear distance between stiffeners and d is depth of web is_____ to meet serviceability criteria$

A. ≤ 200ε<sub>w</sub>
B. ≥ 200 ε<sub>w</sub>
C. > 200 ε<sub>w</sub>
D. ≤ 400 ε<sub>w</sub>
Answer» B. ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢ 200 ‚âà√≠¬¨¬µ<sub>w</sub>
Discussion
22.

The depth-to-thickness ratio of web connected to flanges along one longitudinal edge only when transverse stiffeners are not provided is _____ to meet serviceability criteria.

A. >180ε
B. ≥90ε
C. ≤90ε
D. >90ε
Answer» D. >90‚âà√≠¬¨¬µ
Discussion