Explore topic-wise MCQs in Design Of Steel Structures.

This section includes 15 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.

What is the partial safety factor for imposed load in combination of DL+LL+AL , where DL=Dead load, WL=wind load, AL=Accidental load ?

A. 1.0
B. 0.5
C. 0.4
D. 0.35
Answer» E.
2.

What is the partial safety factor for dead load in combination of DL+ WL/EL for limit state of serviceability, where DL=Dead load, WL=wind load, EL=earthquake load ?

A. 1.0
B. 1.5
C. 1.2
D. 0.8
Answer» B. 1.5
3.

What is the partial safety factor for dead load in combination of DL+LL+WL/EL for limit state of serviceability, where DL=Dead load, LL=imposed load , WL=wind load, EL=earthquake load ?

A. 1.0
B. 0.8
C. 1.5
D. 1.2
Answer» C. 1.5
4.

Which of the following load combination is not possible?

A. Dead load + imposed load + wind load
B. Dead load + imposed load + earthquake load
C. Dead load + wind load + earthquake load
D. Dead load + imposed load
Answer» D. Dead load + imposed load
5.

What is the partial safety factor for combination of DL+LL for limit state of strength, where DL=Dead load, LL=imposed load?

A. 1.2
B. 1.0
C. 0.8
D. 1.5
Answer» E.
6.

Calculate the design wind pressure if the basic wind speed is 44 m/s, risk coefficient is 1, topography factor is 1, terrain is with closely spaced buildings and height of building(class A) = 20m .

A. 1285 N/m<sup>2</sup>
B. 1580 N/m<sup>2</sup>
C. 1085 N/m<sup>2</sup>
D. 1185 N/m<sup>2</sup>
Answer» E.
7.

Which of the following relation between design pressure, pz and design wind speed, Vz is correct?

A. p<sub>z</sub> V<sub>z</sub><sup>2</sup>
B. p<sub>z</sub> 1/V<sub>z</sub><sup>2</sup>
C. p<sub>z</sub> V<sub>z</sub>
D. p<sub>z</sub> 1/V<sub>z</sub>
Answer» B. p<sub>z</sub> 1/V<sub>z</sub><sup>2</sup>
8.

Calculate design wind speed for a site in a city with basic wind speed of 50 m/s, risk coefficient =1, topography factor = 1, terrain is with closely spaced buildings and height of building (class A) = 15m.

A. 40 m/s
B. 48.5 m/s
C. 50 m/s
D. 52.5 m/s
Answer» C. 50 m/s
9.

Which of the following relation is correct for design wind speed (Vz) and basic wind speed (Vb) ?

A. V<sub>z</sub> V<sub>b</sub><sup>2</sup>
B. V<sub>z</sub> 1/V<sub>b</sub><sup>2</sup>
C. V<sub>z</sub> V<sub>b</sub>
D. V<sub>z</sub> 1/V<sub>b</sub>
Answer» D. V<sub>z</sub> 1/V<sub>b</sub>
10.

Wind Pressure at any height of structure does not depend on _______

A. velocity and density of air
B. angle of wind attack
C. topography of ground surface
D. material of structure
Answer» E.
11.

What is return period?

A. number of years, the reciprocal of which gives the probability of extreme wind exceeding given wind speed in any one year
B. number of years, the reciprocal of which gives the probability of extreme wind less than given wind speed in any one year
C. number of years, the reciprocal of which gives the probability of mild wind exceeding given wind speed in any one year
D. number of years, the reciprocal of which gives the probability of mild wind less than given wind speed in any one year
Answer» B. number of years, the reciprocal of which gives the probability of extreme wind less than given wind speed in any one year
12.

Which of the following relation is correct for pressure coefficient?
Vp = Actual wind speed at any point on structure at height corresponding to Vz (design wind speed)

A. [1+(V<sub>p</sub>/V<sub>z</sub>)<sup>2</sup>].
B. [1+(V<sub>z</sub>/V<sub>p</sub>)<sup>2</sup>].
C. [1-(V<sub>z</sub>/V<sub>p</sub>)<sup>2</sup>].
D. [1-(V<sub>p</sub>/V<sub>z</sub>)<sup>2</sup>].
Answer» E.
13.

Positive sign of pressure coefficient indicates ______________

A. pressure acting towards the surface
B. pressure acting away the surface
C. pressure acting above the surface
D. pressure acting below the surface
Answer» B. pressure acting away the surface
14.

IS Code gives basic wind speed averaged over a short interval of ______

A. 10 seconds
B. 20 seconds
C. 5 seconds
D. 3 seconds
Answer» E.
15.

Which IS Code is used for design loads for buildings and structures for wind load?

A. IS 456
B. IS 875 Part 3
C. IS 500
D. IS 1280
Answer» C. IS 500