Design strength in tension of a steel plate subjected to failure by rupture mode is expressed as:

\(0.9\frac{{{A_8}{f_y}}}{{{Y_{m\alpha }}}}\)

\(0.9\frac{{{A_n}{f_u}}}{{{Y_{m1}}}}\)

\(0.9\frac{{{A_8}{f_y}}}{{{Y_{m\alpha }}}}\)

\(1.2\frac{{{A_n}{f_N}}}{{{Y_{m1}}}}\)

\(1.5\frac{{{A_n}{f_u}}}{{{Y_{m1}}}}\)

are used to reduce the length of connection

A steel member ‘M’ has reversal of stress due to live loads, whereas another member ‘N’ has reversal of stress due to wind load. As per IS 800: 2007, the maximum slenderness ratio permitted is:

More for member ‘M’ than for member ‘N’

Less for member ‘M’ than that of member ‘N’

More for member ‘M’ than for member ‘N’

22 + Mcqs in Tension Member in Civil Engineering Page 1 McqOptions

1.	If a tension member is subjected to possible reversal of stresses due to wind, the slenderness ratio of the member should not exceed -
A.	350
B.	180
C.	250
D.	200
Answer» B. 180

Discussion

2.	According to IS 800, the maximum effective slenderness ratio for members always under tension (other than pre-tensioned members) is
A.	180
B.	250
C.	300
D.	400
E.	350
Answer» E. 350

Discussion

3.	A tie member consists of ISA 100 × 75 × 8 longer leg is connected to a gusset plate. The gross cross sectional area of connected and unconnected leg are _______ mm2 respectively.
A.	768 and 568
B.	344 and 288
C.	976 and 654
D.	1206 and 743
Answer» B. 344 and 288

Discussion

4.	A plate of size 100 mm x 10 mm having yield strength of 250 MPa, the design strength of plate in yielding of the cross-section is
A.	167 kN
B.	200 kN
C.	217 kN
D.	227 kN
Answer» E.

Discussion

5.	Equal angles star section shown in the figure is designed as a compression member. Governing axis of the section is
A.	x-x
B.	y-y
C.	u-u
D.	v-v
Answer» E.

Discussion

6.	Design strength in tension of a steel plate subjected to failure by rupture mode is expressed as:
A.	\(0.9\frac{{{A_n}{f_u}}}{{{Y_{m1}}}}\)
B.	\(0.9\frac{{{A_8}{f_y}}}{{{Y_{m\alpha }}}}\)
C.	\(1.2\frac{{{A_n}{f_N}}}{{{Y_{m1}}}}\)
D.	\(1.5\frac{{{A_n}{f_u}}}{{{Y_{m1}}}}\)
Answer» B. \(0.9\frac{{{A_8}{f_y}}}{{{Y_{m\alpha }}}}\)

Discussion

7.	As per IS: 800, the splice connection should be designed for a force of at least k times the member design capacity in tension. Here the value of k is:
A.	0.3
B.	0.4
C.	0.5
D.	0.6
Answer» B. 0.4

Discussion

8.	Maximum slenderness ratio for tension members shall not exceed
A.	180
B.	300
C.	350
D.	400
Answer» E.

Discussion

9.	In the case of structural steel sections (in terms of their outstanding length), the minimum ratio of thickness of elements in compression is specified to prevent
A.	Bending failure
B.	Shear failure
C.	Local failure
D.	Tension failure
Answer» D. Tension failure

Discussion

10.	Lug angles ______
A.	are used to reduce the length of connection
B.	are unequal angles
C.	increases shear legs
D.	All options are correct
Answer» B. are unequal angles

Discussion

11.	A steel member ‘M’ has reversal of stress due to live loads, whereas another member ‘N’ has reversal of stress due to wind load. As per IS 800: 2007, the maximum slenderness ratio permitted is:
A.	Less for member ‘M’ than that of member ‘N’
B.	More for member ‘M’ than for member ‘N’
C.	Same for both the members
D.	Not specified in the Code
Answer» B. More for member ‘M’ than for member ‘N’

Discussion

12.	A mild steel tube of mean diameter 20 mm and thickness 2 mm is used as an axially loaded tension member. If fy = 300 MPa, what is the maximum load that the member can carry?
A.	11.25 kN
B.	22.5 kN
C.	30.0 kN
D.	37.5 kN
Answer» C. 30.0 kN

Discussion

13.	A steel plate is subjected to tension. The tensile force is applied over a width 'a' whereas the gross width of the plate is 'b'. The dispersion of the force from the point of application is at about 30° with the axis and extends to a maximum width of 12 times the thickness t of the plate. The effective width which comes into action will be
A.	2a + 12t
B.	a + 12t
C.	a + 24t
D.	2a + 24t
Answer» D. 2a + 24t

Discussion

14.	An electric pole 5 m high is fixed into the foundation. It carries a wire at the top and is free to move sideways. The effective length of the pole is
A.	3.25 m
B.	4.0 m
C.	5.0 m
D.	10.0 m
Answer» E.

Discussion

15.	In order to account for the shear deformations and associated effects, the effective slenderness ratio of laced columns shall be taken as k times, the actual maximum slenderness ratio. The value of k specified in IS 800 is
A.	0.95
B.	0.85
C.	1.15
D.	1.1
E.	1.05
Answer» F.

Discussion

16.	Consider the following statements:1. The thickness of the gusset plate should not be more than the thickness of the structural members being connected.2. A plate girder is essentially a beam and its moment of resistance depends upon its section modulus.3. The function of the flanges in a plate girder is to resist the bending moment and hence their respective areas can be reduced near the supports of a simply supported beam.Which of the above statements are correct?
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» D. 1, 2 and 3

Discussion

17.	For the welded joint shown in the figure, the direct vertical shear stress on the weld is 40 MPa and the bending stress is 120 MPa. For what strength should the weld be designed?
A.	80 MPa
B.	120 MPa
C.	132 MPa
D.	160 MPa
Answer» D. 160 MPa

Discussion

18.	A solid steel plate having yield strength of 250 MPa, the design strength in yielding (N/mm2) is
A.	200
B.	217
C.	227
D.	250
Answer» D. 250

Discussion

19.	Consider the following statements with reference to the design of welded tension members:1) The entire cross-sectional area of the connected leg is assumed to contribute to the effective area in the case of angles2) Two angles, back-to-back and tack-welded as per the codal requirements, may be assumed to behave as a tee-section3) A check on slenderness ratio may be necessary in some cases.Which of the above statements are correct?
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» E.

Discussion

20.	A steel plate is 300 mm wide and 40 mm thick is connected using 24 mm dia bolts of 3 numbers. The net sectional area of the plate is
A.	9840 mm2
B.	8880 mm2
C.	9480 mm2
D.	8490 mm2
Answer» C. 9480 mm2

Discussion

21.	In a steel plate with bolted connections, the rupture of the net section is a mode of failure under
A.	Tension
B.	Compression
C.	Flexure
D.	Shear
Answer» B. Compression

Discussion

22.	An equal angle of area A has been attached to the support by means of a lug angle. If the allowable stress in tension is f, what is the load carrying capacity of the member?
A.	0.5fA
B.	0.85fA
C.	0.875fA
D.	1.0fA
Answer» E.

Discussion

Explore topic-wise MCQs in Civil Engineering.

If a tension member is subjected to possible reversal of stresses due to wind, the slenderness ratio of the member should not exceed -

According to IS 800, the maximum effective slenderness ratio for members always under tension (other than pre-tensioned members) is

A tie member consists of ISA 100 × 75 × 8 longer leg is connected to a gusset plate. The gross cross sectional area of connected and unconnected leg are _______ mm2 respectively.

A plate of size 100 mm x 10 mm having yield strength of 250 MPa, the design strength of plate in yielding of the cross-section is

Equal angles star section shown in the figure is designed as a compression member. Governing axis of the section is

Design strength in tension of a steel plate subjected to failure by rupture mode is expressed as:

As per IS: 800, the splice connection should be designed for a force of at least k times the member design capacity in tension. Here the value of k is:

Maximum slenderness ratio for tension members shall not exceed

In the case of structural steel sections (in terms of their outstanding length), the minimum ratio of thickness of elements in compression is specified to prevent

Lug angles ______

A steel member ‘M’ has reversal of stress due to live loads, whereas another member ‘N’ has reversal of stress due to wind load. As per IS 800: 2007, the maximum slenderness ratio permitted is:

A mild steel tube of mean diameter 20 mm and thickness 2 mm is used as an axially loaded tension member. If fy = 300 MPa, what is the maximum load that the member can carry?

An electric pole 5 m high is fixed into the foundation. It carries a wire at the top and is free to move sideways. The effective length of the pole is

In order to account for the shear deformations and associated effects, the effective slenderness ratio of laced columns shall be taken as k times, the actual maximum slenderness ratio. The value of k specified in IS 800 is

For the welded joint shown in the figure, the direct vertical shear stress on the weld is 40 MPa and the bending stress is 120 MPa. For what strength should the weld be designed?

A solid steel plate having yield strength of 250 MPa, the design strength in yielding (N/mm2) is

A steel plate is 300 mm wide and 40 mm thick is connected using 24 mm dia bolts of 3 numbers. The net sectional area of the plate is

In a steel plate with bolted connections, the rupture of the net section is a mode of failure under

An equal angle of area A has been attached to the support by means of a lug angle. If the allowable stress in tension is f, what is the load carrying capacity of the member?