Downloadable file of these MCQ's is available at the end of the blog
Strength of Materials
1)The shear force at any section in a beam is ___________.
A. the net force to the left of the section perpendicular to the beam
B. the net force to the right of the section perpendicular to the beam
C. either A) or B)
D. None of the above
Answer C
2)While calculating the shear force, the upward forces to the left of the section are considered ___________.
A.positive
B.negative
C.zero
D.none of the above
Answer A
3)The bending moment produced by upward forces to the left of a section is___________.
A.upward
B.downward
C.sagging
D.hogging
Answer C
4)Sagging bending moment is considered___________.
A.positive
B.negative
C.zero
D.none of the above
Answer A
5)Hogging bending moment is considered ___________.
A.positive
B.negative
C.zero
D.none of the above
Answer B
6)Slope of tangent to shear force diagram gives ___________.
A.bending moment
B.couple moment
C.support reactions
D.rate of loading
Answer D
7)Slope of tangent to bending moment diagram gives ___________.
A.couple moment
B.rate of loading
C.shear force
D.support reactions
Answer C
8)Area under load diagram gives___________.
A.shear force
B.change in shear force
C.bending moment
D.change in bending moment
Answer B
9)Slope of tangent to shear force diagram =___________.
A.rate of loading
B.area under load curve
C.rate of loading
D.none of the above
Answer A
10)Change in shear force = ___________.
A.rate of loading
B.area under load curve
C.rate of loading
D.none of the above
Answer B
11)If there is an upward point load acting on the beam, there will be a downward step on ___________.
A.load diagram
B.S.F.D
C.B.M.D
D.none of the above
Answer D
12)If there is a downward point load acting on the beam, there will be a downward step on ___________.
A.load diagram
B.S.F.D
C.B.M.D
D.none of the above
Answer B
13)If there is an anticlockwise couple moment acting on the beam, there will be a downward step on ___________.
A.load diagram
B.S.F.D
C.B.M.D
D.none of the above
Answer C
14)If there is a point load acting on the beam, there will be ___________ on S.F.D.
A.step
B.horizontal straight line
C.inclined straight line
D.parabola
Answer A
15)If there is no load acting on the beam between two points, there will be___________ on S.F.D.
A.step
B.horizontal straight line
C.inclined straight line
D.parabola
Answer B
16)If there is uniformly varying load acting on the beam, there will be ___________ on S.F.D.
A.step
B.horizontal straight line
C.inclined straight line
D.parabola
Answer D
17)If there is no load acting on the beam between two points, there will be ___________ on B.M.D.
A.horizontal straight line
B.inclined straight line
C.parabola
D.either A) or B)
Answer D
18)If there is a uniformly distributed load acting on the beam, there will be ___________ on B.M.D.
A.horizontal straight line
B.inclined straight line
C.parabola
D.third degree curve
Answer C
19)If there is a uniformly varying load acting on the beam, there will be___________ on B.M.D.
A.horizontal straight line
B.inclined straight line
C.parabola
D.third degree curve
Answer D
20)If there is parabola on S.F.D, there will be ___________ on B.M.D.
A.horizontal straight line
B.inclined straight line
C.parabola
D.third degree curve
Answer D
21)The point of contraflexure is a point of zero ___________.
A.load
B.shear force
C.bending moment
D.none of the above
Answer C
22)Shear force is ___________ at the end points of a beam.
A.maximum
B.minimum
C.zero
D.none of the above
Answer C
23)Shear force is ___________ at the end points of a beam.
A.maximum
B.minimum
C.zero
D.none of the above
Answer C
24)Bending moment is ___________ at the end points of a beam.
A.maximum
B.minimum
C.zero
D.none of the above
Answer C
25)Bending moment is ___________ at the point of contraflexure of a beam.
A.maximum
B.minimum
C.zero
D.none of the above
Answer C
26)If there is inclined straight line on S.F.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer B
27)If there is parabola on S.F.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer C
28)If there is vertical step on B.M.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer D
29)If there is a parabola on B.M.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer B
30)If there is a cubic curve on B.M.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer C
31)From S.F.D we cannot locate the position of ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer D
32)From B.M.D we cannot locate the position of ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer A
33)A simply supported beam AB of length L carries a point load P at the centre C. The shear force just to the left of C is ___________.
A.P
B.P/2
C.–P/2
D.0
Answer B
34)A simply supported beam AB of length L carries a point load P at the centre C. The S.F.D. between A and C is ___________.
A.horizontal straight line
B.inclined straight line
C.parabola
D.third degree curve
Answer A
35)A simply supported beam AB of length L carries a point load P at the centre C. The B.M.D. between A and C is ___________.
A.horizontal straight line
B.inclined straight line with positive slope
C.inclined straight line with negative slope
D.parabola
Answer B
36)A simply supported beam AB of length L carries uniformly distributed load of intensity w per unit run throughout its length. The S.F.D is ___________.
A.straight line with positive slope
B.straight line with negative slope
C.parabola with tangent rotating clockwise
D.parabola with tangent rotating anticlockwise
Answer B
37)A simply supported beam AB of length L carries uniformly varying load of intensity varying from 0 at A to w per unit run at B. The B.M.D. is ___________.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer C
38)A simply supported beam AB of length L carries a clockwise couple moment M at its centre. The shear force just to the left of B is ___________.
A.–M/L
B.M/L
C.0
D.2M/L
Answer A
39)A simply supported beam AB of length L carries a clockwise couple moment M at its centre C. The bending moment just to the right of C is ___________.
A.–M/2
B.M/2
C.0
D.2M
Answer B
40)A simply supported beam AB of length L carries a clockwise couple moment M at its centre C. The bending moment at distance L/4 from A is ___________.
A.–M/2
B.M/2
C.–M/4
D.M/4
Answer C
41)A simply supported beam AB of length L carries a clockwise couple moment M at its centre C. The bending moment at distance 3L/4 from A is ___________.
A.–M/2
B.M/2
C.–M/4
D.M/4
Answer D
42)If there is a cubic curve on B.M.D., there will be ___________ acting on the beam.
A.point load
B.u.d.l
C.u.v.l
D.couple moment
Answer C
43)The S.F.D. for a 4 m long beam is a parabola with + 20 kN m value at both its ends and zero at the centre. If there are no couple moments acting on the beam, the B.M.D. will be ___________.
A.straight line with increasing slope
B.straight line with increasing slope
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer C
44)The S.F.D. for a 4 m long beam is a parabola with + 20 kN m value at both its ends and zero at the centre. If there are no couple moments acting on the beam, there will be ___________ at the left end.
A.upward force of 20 kN
B.downward force of 20 kN
C.no force
D.upward force of 40 kN
Answer A
45)The S.F.D. for a 4 m long beam is a parabola with + 20 kN m value at both its ends and zero at the centre. If there are no couple moments acting on the beam, there will be ___________ acting on the beam.
A.upward forces of 20 kN at both ends
B.downward force of 20 kN at both ends
C.u.d.l of 10 kN/m throughout its length
D.u.v.l varying from 20 kN/m downward at left end to 20 kN/m upward at right end
Answer D
46)A cantilever beam AB of length L carries a point load P at its free end B. The bending moment at distance L/4 to the right of A is ___________.
A.–3PL/4
B.–PL/4
C.–PL/2
D.–PL
Answer A
47)A cantilever beam AB of length L carries a uniformly distributed load of intensity w per metre run throughout its length. The shear force just to the right of A is ___________.
A.0
B.wL
C.Wl/2
D.wL/4
Answer B
48)A cantilever beam AB of length L carries a uniformly varying load of intensity varying from zero at the fixed end A to w per metre run at the free end B. The bending moment just to the right of A is ___________.
A.-wL2
B.-wL2 /2
C.-w L2 /3
D.-wL2 /4
Answer C
49)A cantilever beam AB of length L carries a uniformly varying load of intensity varying from zero at the fixed end A to w per metre run at the free end B. The B.M.D is ___________ between A and B.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer C
50)A cantilever beam AB of length L carries a uniformly varying load of intensity varying from w per metre run at the fixed end A to zero at the free end B. The B.M.D. is ___________ between A and B.
A.horizontal straight line
B.inclined straight line
C.parabola
D.third degree curve
Answer D
51)A cantilever beam AB of length L carries a uniformly varying load of intensity varying from w per metre run at the fixed end A to zero at the free end B. The S.F.D. is ___________ between A and B.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer B
52)A cantilever beam AB of length L with fixed support at A carries a clockwise couple moment M at its Centre C. The shear force is zero from ___________.
A.A to C
B.C to B
C.A to B
D.none of the above
Answer C
53)A simply supported beam AB of length L carries uniformly distributed load of intensity w per unit run throughout its length. The S.F.D is ___________.
A.straight line with positive slope
B.straight line with negative slope
C.parabola with tangent rotating clockwise
D.parabola with tangent rotating anticlockwise
Answer B
54)A simply supported beam AB of length L carries uniformly distributed load of intensity w per unit run throughout its length. The B.M.D is ___________.
A.straight line with positive slope
B.straight line with negative slope
C.parabola with tangent rotating clockwise
D.parabola with tangent rotating anticlockwise
Answer C
55)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The shear force diagram is ___________ from A to B.
A.horizontal line
B.inclined line with positive slope
C.inclined line with negative slope
D.parabola
Answer C
56)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The bending moment diagram is ___________ from A to B.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.inclined line with positive slope
D.inclined line with negative slope
Answer A
57)A simply supported beam AB of length L carries uniformly varying load of intensity varying from 0 at A to w per unit run at B. The S.F.D. is ___________.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer A
58)A simply supported beam AB of length L carries uniformly varying load of intensity varying from 0 at A to w per unit run at B. The B.M.D. is ___________.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer C
59)Which of the following beams have a point of contraflexure ?
A. 
B. 
C. 
D. 
Answer D
60)A simply supported beam AB of length L carries uniformly distributed load of intensity w per unit run throughout its length. The shear force just to the right of A is ___________.
A.WL/2
B.0
C.WL/4
D.-WL/2
Answer A
61)A simply supported beam AB of length L carries uniformly distributed load of intensity w per unit run throughout its length. The shear force just to the left of B is ___________.
A.WL/2
B.0
C.WL/4
D.-WL/2
Answer D
62)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The shear force diagram is ___________ from A to B.
A.horizontal line
B.inclined line with positive slope
C.inclined line with negative slope
D.parabola
Answer c
63)A simply supported beam AB of length L carries uniformly varying load of intensity varying from 0 at A to w per unit run at B. The S.F.D. is ___________.
A.parabola with tangent rotating clockwise
B.parabola with tangent rotating anticlockwise
C.third degree curve with tangent rotating clockwise
D.third degree curve with tangent rotating anticlockwise
Answer A
64)A simply supported beam AB of length L carries a clockwise couple moment M at its centre. The shear force just to the right of A is ___________.
A.–M/L
B.M/L
C.0
D.2M/L
Answer A
65)The B.M.D. of a simply supported beam is shown in Fig. The point load at B is ___________.
A.15kN upward
B.15kN downward
C.30kN upward
D.30kN downward
Answer C
66)For the beam shown in Fig., there is ___________ on bending moment diagram at point D.
A.upward step of 15 kN m
B.downward step of 15 kN m
C.horizontal line
D.none of the above
Answer B
67)For the beam shown in Fig., the bending moment at a distance of 4 m from A is ___________ kNm.
A.22.22
B.15.28
C.9.72
D.23.09
Answer A
68)For the beam shown in Fig., the shear force is zero at a distance of ___________ m from A.
A.3
B.4
C.3.464
D.5
Answer C
69)A beam AB of length 5 m is simply supported at its ends and carries a point load of 100 kN at a distance of 2 m from A. The shear force at a distance of 4 m from A is ___________ kN.
A.60
B.-60
C.40
D.-40
Answer D
70)A beam AB of length 5 m is simply supported at its ends and carries a point load of 100 kN at a distance of 2 m from A. The shear force at the centre of the beam is ___________ kN.
A.0
B.60
C.40
D.-40
Answer D
71)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The value of shear force just to the right of A is _________kN.
A.16
B.24
C.-16
D.10
Answer B
72)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The value of shear force just to the left of B is ___________ kN.
A.16
B.24
C.-16
D.10
Answer C
73)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The shear force is zero at a distance of ___________ m from A.
A.1.6
B.2.4
C.4
D.2.5
Answer B
74)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The value of bending moment at B is ___________ kN m.
A.16
B.24
C.28.8
D.10
Answer A
75)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The value of bending moment just to the right of A is ___________ kN m.
A.16
B.24
C.28.8
D.10
Answer B
76)A 5 m long beam ABC is simply supported at its ends. The portion AB of length 4 m carries a u.d.l of 10 kN/m and there is no load for the remaining 1 m portion BC. The bending moment is maximum at a distance of ___________ m from A.
A.1.6
B.2.4
C.4
D.2.5
Answer B
77)The S.F.D. of a beam is as shown in Fig. There will be ___________ at the left end on the beam.
A.10 kN force
B.10kN_ force
C.couple moment of 10 kNm anticlockwise
D.couple moment of 10 kNm clockwise
Answer A
78)The S.F.D. of a beam is as shown in Fig. There will be ___________ at 6 m from the left end on the beam.
A.7kN force
B.7kN_ force
C.5.5 kN force
D.5.5 kN_ force
Answer B
79)The S.F.D. of a beam is as shown in Fig. There will be ___________ for the first 6 m from the left end of the beam.
A.0.75 kN/m u.d.l
B.0.75 kN/m_ u.d.l
C.2.583 kN/m u.d.l
D.2.583 kN/m_ u.d.l
Answer B
80)The B.M.D. of a simply supported beam is shown in Fig. The shear force between A and C is ___________.
A.15 kN constant
B.15 kN constant
C.varies linearly from 0 to 15 kN
D.varies linearly from 0 to – 15 kN
Answer A
81)The B.M.D. of a simply supported beam is shown in Fig. The shear force between C and B is ___________.
A.15 kN constant
B.15 kN constant
C.varies linearly from 15 kN to 15 kN
D.varies linearly from 15 kN to – 30 kN
Answer D
82)The B.M.D of a simply supported beam is shown in Fig. The shear force is zero at a distance of ___________m to the right of C.
A.1
B.2
C.3
D.4
Answer A
83)The B.M.D of a simply supported beam is shown in Fig. The point load at A is ___________.
A.15kN upward
B.15kN downward
C.30kN upward
D.30kN downward
Answer A
84)The B.M.D. of a simply supported beam is shown in Fig. The point load at B is ___________.
A.15kN upward
B.15kN downward
C.30kN upward
D.30kN downward
Answer C
85)A 5 m long beam ABC has a hinge at A and a roller at B which is at 4 m to the right of A. There is a 20 kN point load at the right end C. The shear force just to the right of A is ___________ kN.
A.5
B.-5
C.20
D.-20
Answer B
86)A 5 m long beam ABC has a hinge at A and a roller at B which is at 4 m to the right of A. There is a 20 kN point load at the right end C. The shear force just to the left of B is ___________ kN.
A.5
B.-5
C.20
D.-20
Answer B
87)A 5 m long beam ABC has a hinge at A and a roller at B which is at 4 m to the right of A. There is a 20 kN point load at the right end C. The bending moment at B is ___________ kN m.
A.5
B.-5
C.20
D.-20
Answer D
88)For the beam shown in Fig. the shear force at a distance of 2 m to the right of A is ___________ kN.
A.39
B.19
C.29
D.0
Answer B
89)For the beam shown in Fig., the shear force at C is ___________ kN.
A.39
B.11
C.-11
D.0
Answer C
90)For the beam shown in Fig., the shear force just to the left of D is ___________kN.
A.39
B.11
C.-11
D.0
Answer C
91)For the beam shown in Fig., the shear force just to the right of A is ___________kN.
A.3
B.2.5
C.7.5
D.0
Answer C
92)For the beam shown in Fig., the shear force just to the right of B is ___________ kN.
A.3
B.2.5
C.7.5
D.4.5
Answer D
93)For the beam shown in Fig., the shear force just to the right of D is ___________kN.
A.3
B.2.5
C.7.5
D.4.5
Answer B
94)For the beam shown in Fig., the bending moment just to the right of A is___________ kN m.
A.-22.5
B.22.5
C.-15
D.-8.25
Answer A
95)For the beam shown in Fig., the bending moment at B is _____________kN m.
A.-22.5
B.22.5
C.-15
D.-8.25
Answer C
96)For the beam shown in Fig., the bending moment at C is _________ kNm.
A.-22.5
B.22.5
C.-15
D.-8.25
Answer D
97)For the beam shown in Fig., the shear force just to the right of A is ___________kN.
A.-20
B.21.67
C.10
D.0
Answer D
98)For the beam shown in Fig., the shear force just to the left of B is __________kN.
A.-20
B.21.67
C.10
D.0
Answer A
99)For the beam shown in Fig., the shear force just to the right of B is ___________kN.
A.-20
B.21.67
C.10
D.0
Answer B
100)For the beam shown in Fig., the number of points of contraflexure is___________ .
A.0
B.1
C.2
D.3
Answer C
101)For the beam shown in Fig., the B.M.D between A and B is ___________ .
A.inclined straight line
B.parabola with tangent rotating clockwise
C.parabola with tangent rotating anticlockwise
D.cubic curve
Answer B
102)For the beam shown in Fig., the point of contraflexure between B and C is at a distance of _________ m from A.
A.0.923
B.1.923
C.2.923
D.3.923
Answer C
103)For the beam shown in Fig., the point of contraflexure between C and D is at a distance of _______ m from A.
A.2.923
B.5.24
C.4.24
D.3.24
Answer B
104)For the beam shown in Fig., the shear force just to the right of A is _______kN.
A.10.6
B.2.6
C.-3.4
D.-6.4
Answer A
105)For the beam shown in Fig., the shear force just to the left of D is _____kN.
A.10.6
B.2.6
C.3.4
D.6.4
Answer B
106)For the beam shown in Fig., the shear force just to the right of D is _______ kN.
A.10.6
B.2.6
C.3.4
D.6.4
Answer C
107)For the beam shown in Fig., the shear force just to the left of E is _________ kN.
A.10.6
B.2.6
C.3.4
D.6.4
Answer D
108)For the beam shown in Fig., the shear force just to the left of B is _________ kN.
A.10.6
B.6
C.3.4
D.6.4
Answer D
109)For the beam shown in Fig., the shear force just to the right of B is _______ kN.
A.10.6
B.6
C.3.4
D.6.4
Answer B
110)For the beam shown in Fig., the bending moment at D is ________ kN m.
A.26.4
B.19.6
C.–6
D.0
Answer A
111)For the beam shown in Fig., the bending moment at E is _________ kN m.
A.26.4
B.19.6
C.–6
D.0
Answer B
112)For the beam shown in Fig., the bending moment at B is _________ kN m.
A.26.4
B.19.6
C.–6
D.0
Answer C
113)For the beam shown in Fig., the shear force just to the right of A is ___________kN.
A.10
B.25
C.0
D.–25
Answer B
114)For the beam shown in Fig., the shear force just to the left of A is ___________kN.
A.-10
B.25
C.0
D.-25
Answer A
115)For the beam shown in Fig., the shear force just to the left of B is ___________kN.
A.-10
B.25
C.0
D.-25
Answer D
116)For the beam shown in Fig., the shear force just to the right of B is ___________kN.
A.-10
B.25
C.10
D.-25
Answer C
117)For the beam shown in Fig., the shear force at the centre of the beam is___________ kN.
A.-10
B.25
C.0
D.-25
Answer C
118) For the beam shown in Fig., the bending moment at the centre of the beam is ___________ kNm.
A.-10
B.52.5
C.0
D.-25
Answer B
119)For the beam shown in Fig., the bending moment at A is ___________ kNm.
A.-10
B.52.5
C.0
D.-25
Answer A
120)For the beam shown in Fig., the bending moment at B is _________ kN m.
A.-10
B.52.5
C.0
D.-25
Answer A
121) For the beam shown in Fig., the number of points of contraflexure is ___________.
A.0
B.1
C.2
D.3
Answer C
122)For the beam shown in Fig., the shear force is maximum at ___________.
A.A
B.B
C.C
D.A and B
Answer A
123)For the beam shown in Fig., the shear force is minimum at ___________.
A.A
B.B
C.C
D.A and B
Answer D
124)For the beam shown in Fig., S.F.D is a horizontal straight line in the region
A.AB
B.BC
C.AC
D.None of the above
Answer A
125)For the beam shown in Fig., S.F.D is an inclined straight line in the region ___________ .
A.AB
B.BC
C.AC
D.None of the above
Answer B
126)For the beam shown in Fig., the point of contraflexure is at a distance of ___________ m from A.
A.3
B.4
C.5
D.7
Answer B
127)For the beam shown in Fig., the shear force is zero at a distance of ___________ m from A.
A.5
B.2.5
C.5.75
D.7.5
Answer C
128)For the beam shown in Fig., the shear force just to the right of A is ___________ kN.
A.10
B.20
C.25
D.30
Answer A
129)For the beam shown in Fig., the maximum bending moment is ___________ kNm.
A.22.5
B.17.78
C.9.72
D.23.09
Answer D
130)For the beam shown in Fig., the bending moment is maximum at a distance of ___________ m from A.
A.3
B.4
C.3.464
D.5
Answer C
131)For the beam shown in Fig., the shear force at a distance of 5 m from A is ___________ kN.
A.-3.33
B.-10.83
C.6.67
D.9.17
Answer B
