Steel Design Test 1

Question 1
2 / -0.33

For the structural member exposed to weathering but not accessible for painting is required to be connected to other member using rivet connection, then the minimum diameter of rivet required to ensure safety of the structure as per IS 800:1984 is ______

A
14 mm

B
16 mm

C
18 mm

D
20 mm

Question 2
2 / -0.33

A fillet weld is used to connect two plates of the square edge of thickness 8 mm and 12 mm. The welded surface meets at an angle of 100^°. What would be the minimum and maximum possible throat thickness of welded connection respectively as per the codal provisions of IS 800:2007?

A
3.25 mm and 6.825 mm respectively

B
5 mm and 6.825 mm respectively

C
3.25 mm and 4.225 mm respectively

D
5 mm and 4.225 mm respectively

Question 3
2 / -0.33

According to IS: 875 Part 3, the design wind speed acting on industrial roof is estimated based on the basic wind speed by multiplying it by factors K1, K2 and K3, where K1 is called:

A
Terrain height factor

B
Structure size factor

C
Topography factor

D
Risk coefficient

Question 4
2 / -0.33

For a rectangular cross-section, when the extreme fibre strain was ε_y, the yield moment capacity is M_y. What would be the value of the resisting moment when the extreme fibre strain is 2ε_y?

A
1.000 M_y

B
1.250 M_y

C
1.375 M_y

D
1.550 M_y

Question 5
2 / -0.33

Which of the following is true in reference to the ‘plastic sections’ defined in IS 800:2007?

A
It can develop a plastic hinge and collapse mechanism.

B
It can develop a plastic hinge but cannot develop a collapse mechanism.

C
It may fail before reaching yielding.

D
It can develop the yield moment only.

Question 6
2 / -0.33

A lug angle connection is made with ISA 90 × 90 × 10 mm of Fe 410 with a longer leg connected to the gusset plate with 18 mm diameter rivets. Calculate the tensile load capacity of the tie due to yielding of Gross-section. (α = 0.8)

A
255 kN

B
333.75 kN

C
386.36 kN

D
388.25 kN

Question 7
2 / -0.33

A column section ISHB 350 @ 661.2 N/m carries a factored axial compressive load of 2000 kN and factored bending moment of 100 kN-m the thickness of the base plate is 30 mm. Calculate moment capacity of the base plate for 410-grade steel?

A
25.63 kNmm

B
35.65 kNmm

C
40.91 kNmm

D
49.2 kNmm

Question 8
2 / -0.33

Which of the following statement are incorrect regarding arrangements of battens as per IS 800: 2007?
For a battened compression member:
i) The spacing of battens shall be such that the slenderness ratio of any component should be less than 50.
ii) The thickness of the batten plates shall be less than one of the distance between the rivets.
iii) The effective depth of any batten shall not be less than twice the width of one member.
iv) The effective slenderness ratio of the battened column shall be taken as 1.5 times the actual slenderness ratio.

A
i, ii and iii only

B
ii, iii and iv only

C
i, iii, and iv only

D
i, ii, ii, and iv only

Question 9
2 / -0.33

Buckling of the compression flange of a girder, without transverse stiffeners, can be avoided if (with standard notations)

A
\(\frac{d}{{{t}_{w}}}\le 345\epsilon _{f}^{2}\)

B
\(\frac{d}{{{t}_{w}}}\le 270\epsilon _{f}^{2}\)

C
\(\frac{d}{{{t}_{w}}}\le 345{{\epsilon }_{w}}\)

D
\(\frac{d}{{{t}_{w}}}\le 250{{\epsilon }_{w}}\)

Question 10
2 / -0.33

ISMB 200 has been used as a column of the unsupported length of 15 m in an industrial building as pure compression member with the radius of gyration about the major axis is 50 mm and about the minor axis is 20 mm. Along the minor axis, the column has fixed against rotation and translation at both ends and along the major axis, the column is restrained in position but no in direction at both ends. Which of the following is correct keeping in view of the codal provisions of IS 800:2007 about buckling?

A
Buckling may occur about the major axis

B
Buckling may occur about the minor axis.

C
Buckling may occur either major axis or minor axis.

D
Buckling neither occurs about major axis nor minor axis.

Question 11
2 / -0.33

In a design of beam columns, the values of plastic section ratio β_b = 1, the plastic sectional modulus Z_pz= 3948812 mm³, the yield stress fy = 250 N/mm² and critical moment of M_cr = 16866 × 10⁶ N.mm. The non-dimensional lateral torsional slenderness ratio will be nearly

A
0.141

B
0.242

C
0.323

D
0.424

Question 12
2 / -0.33

Calculate the bending strength of ISLB 350 @ 486 N/m which is classified as a plastic section. Considering the beam to be laterally supported. The unsupported length of simply supported beam is 3 m. Z_pz = 851.11 × 10³ mm³ and Z_ez = 751.9 × 10³ mm³, r_y = 31.7 mm and γ_mo = 1.1.

A
186.82 kNm

B
175.86 kNm

C
193.43 kNm

D
205.36 kNm

Question 13
2 / -0.33

A plate girder is designed to resist the maximum bending moment of 12000 kNm. The slenderness ratio for the section is 180 and grade of steel to be used is Fe250. The gross-sectional area of the beam (A) is given, by the relationship:
\({\rm{A}} = \frac{{2{{\rm{M}}_{\rm{z}}}}}{{{\rm{d}}{{\rm{f}}_{\rm{y}}}}} + \frac{{{{\rm{d}}^2}}}{{\rm{k}}}\)
Where,
M_z = Maximum bending moment, f_y= Design strength of flanges, b_f = width of the flange, and d = depth of web/circle. Calculate the economical depth of girder (in meters, rounded up to one decimal places)

A
1.90-2.10

B
1.904-2.101

C
1.907-2.106

D
1.909-2.102

Submit Test

Steel Design Te...

Question 1

14 mm

16 mm

18 mm

20 mm

Question 2

3.25 mm and 6.825 mm respectively

5 mm and 6.825 mm respectively

3.25 mm and 4.225 mm respectively

5 mm and 4.225 mm respectively

Question 3

Terrain height factor

Structure size factor

Topography factor

Risk coefficient

Question 4

1.000 My

1.250 My

1.375 My

1.550 My

Question 5

It can develop a plastic hinge and collapse mechanism.

It can develop a plastic hinge but cannot develop a collapse mechanism.

It may fail before reaching yielding.

It can develop the yield moment only.

Question 6

255 kN

333.75 kN

386.36 kN

388.25 kN

Question 7

25.63 kNmm

35.65 kNmm

40.91 kNmm

49.2 kNmm

Question 8

i, ii and iii only

ii, iii and iv only

i, iii, and iv only

i, ii, ii, and iv only

Question 9

\(\frac{d}{{{t}_{w}}}\le 345\epsilon _{f}^{2}\)

\(\frac{d}{{{t}_{w}}}\le 270\epsilon _{f}^{2}\)

\(\frac{d}{{{t}_{w}}}\le 345{{\epsilon }_{w}}\)

\(\frac{d}{{{t}_{w}}}\le 250{{\epsilon }_{w}}\)

Question 10

Buckling may occur about the major axis

Buckling may occur about the minor axis.

Buckling may occur either major axis or minor axis.

Buckling neither occurs about major axis nor minor axis.

Question 11

0.141

0.242

0.323

0.424

Question 12

186.82 kNm

175.86 kNm

193.43 kNm

205.36 kNm

Question 13

1.90-2.10

1.904-2.101

1.907-2.106

1.909-2.102

User

Question Analysis

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

1.000 M_y

1.250 M_y

1.375 M_y

1.550 M_y