Herewith below we have shared more than MCQs in Theory of structures of our Civil Engineering subject. This will be very useful to study MCQs in systematic Manner.
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 Answered
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Question 1 of 84
1. Question
Pick up the correct statement from the following:

Question 2 of 84
2. Question
For calculating the allowable stress of long columns o0 = ov/n [1 – a (1/r)z]is the empirical formula, known as

Question 3 of 84
3. Question
Maximum principal stress theory for the failure of a material at elastic point, is known

Question 4 of 84
4. Question
Pick up the correct statement from the following:

Question 5 of 84
5. Question
A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised

Question 6 of 84
6. Question
Maximum strain theory for the failure of a material at the elastic limit, is known as

Question 7 of 84
7. Question
Slenderness ratio of a long column, is

Question 8 of 84
8. Question
A close coil helical spring when subjected to a moment M having its axis along the axis of the helix

Question 9 of 84
9. Question
Maximum shear stress theory for the failure of a material at the elastic limit, is known

Question 10 of 84
10. Question
Pick up the correct statement from the following:

Question 11 of 84
11. Question
The forces in the members of simple trusses, may be analysed by

Question 12 of 84
12. Question
A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

Question 13 of 84
13. Question
In case of a simply supported Isection beam of span L and loaded with a central load W, the length of elastoplastic zone of the plastic hinge, is

Question 14 of 84
14. Question
The yield moment of a cross section is defined as the moment that will just produce the yield stress in

Question 15 of 84
15. Question
Gradually applied static loads do not change with time their

Question 16 of 84
16. Question
A body is said to be in equilibrium if

Question 17 of 84
17. Question
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

Question 18 of 84
18. Question
The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is

Question 19 of 84
19. Question
The load on a spring per unit deflection, is called

Question 20 of 84
20. Question
The assumption in the theory of bending of beams is:

Question 21 of 84
21. Question
The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is

Question 22 of 84
22. Question
A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm2 is:

Question 23 of 84
23. Question
The normal and tangential components of stress on an inclined plane through 0° to the direction of the force, will be equal if 0 is

Question 24 of 84
24. Question
A compound truss may be formed by connecting two simple rigid frames, by

Question 25 of 84
25. Question
A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is

Question 26 of 84
26. Question
If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm2, the angle of twist in radians, is

Question 27 of 84
27. Question
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

Question 28 of 84
28. Question
The strain energy due to volumetric strain

Question 29 of 84
29. Question
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is

Question 30 of 84
30. Question
Pick up the correct statement from the following:

Question 31 of 84
31. Question
The ratio of lateral strain to axial strain of a homogeneous material, is known

Question 32 of 84
32. Question
A short column (30 cm x 20 cm) carries a load P1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be

Question 33 of 84
33. Question
The ratio of maximum shear stress to average shear stress of a circular beam, is

Question 34 of 84
34. Question
For calculating the permissible stress Oo = ov/[(1 + a(l/r)z] is the empirical formula, known as

Question 35 of 84
35. Question
Pick up the correct statement from the following:

Question 36 of 84
36. Question
For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is

Question 37 of 84
37. Question
The greatest load which a spring can carry without getting permanently distorted, is called

Question 38 of 84
38. Question
At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by

Question 39 of 84
39. Question
The ratio of the area of crosssection of a circular section to the area of its core, is

Question 40 of 84
40. Question
The ratio of maximum and average shear stresses on a rectangular section, is

Question 41 of 84
41. Question
If a concrete column 200 x 200 mm in crosssection is reinforced with four steel bars of 1200 mm2 total crosssectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec

Question 42 of 84
42. Question
In plastic analysis, the shape factor for rectangular section, is

Question 43 of 84
43. Question
A masonry dam (density = 20,000 N/m3) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be

Question 44 of 84
44. Question
A material is said to be perfectly elastic if

Question 45 of 84
45. Question
Pick up the correct statement from the following:

Question 46 of 84
46. Question
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm2. If the slope at the ends is 0.005 radian and the value of E = 0.2 x 106 N/mm2, the depth of the joist, is

Question 47 of 84
47. Question
By applying the static equations i.e. 1H = 0,ZV =0 and ZM = 0, to a determinate structure, we may determine

Question 48 of 84
48. Question
Coefficient of wind resistance of a circular surface, is

Question 49 of 84
49. Question
In case of principal axes of a section

Question 50 of 84
50. Question
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is

Question 51 of 84
51. Question
The shape factor of standard rolled beam section varies from

Question 52 of 84
52. Question
Principal planes are subjected to

Question 53 of 84
53. Question
A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

Question 54 of 84
54. Question
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (fs/N)

Question 55 of 84
55. Question
The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for nondevelopment of tension, is

Question 56 of 84
56. Question
A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If astee/ = 0.000012/C°, Esteei = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is

Question 57 of 84
57. Question
The S.F. diagram of a loaded beam shown in the given figure is that of

Question 58 of 84
58. Question
Shear strain energy theory for the failure of a material at elastic limit, is due to

Question 59 of 84
59. Question
The locus of the moment of inertia about inclined axes to the principal axis, is

Question 60 of 84
60. Question
Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as

Question 61 of 84
61. Question
The general expression for the B.M. of a beam of length / is the beam carries M = (w//2) x – (wx2/2)

Question 62 of 84
62. Question
In a shaft, the shear stress is not directly proportional to

Question 63 of 84
63. Question
The point of contraflexure is the point where

Question 64 of 84
64. Question
A steel bar 20 mm in diameter simplysupported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is

Question 65 of 84
65. Question
For calculating the allowable stress of long columns. The empirical formula a0 = (ay/n) (1 – a l/r), is known as

Question 66 of 84
66. Question
For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

Question 67 of 84
67. Question
The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is

Question 68 of 84
68. Question
A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 x 106 N/mm2, the deflection of the free end, is

Question 69 of 84
69. Question
The locus of reaction of a two hinged semicircular arch, is

Question 70 of 84
70. Question
In plastic analysis, the shape factor for a triangular section, is

Question 71 of 84
71. Question
A three hinged arch is generally hinged at its supports and

Question 72 of 84
72. Question
A steel bar 5 m x 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson’s ratio is 0.25, the change in the volume of the bar is:

Question 73 of 84
73. Question
Stress may be defined as

Question 74 of 84
74. Question
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Estee/ = 2 x 106 kg/cm2, the side of the rod, is

Question 75 of 84
75. Question
Pick up the correct statement from the following:

Question 76 of 84
76. Question
Total strain energy theory for the failure of a material at elastic limit, is known

Question 77 of 84
77. Question
Flat spiral springs

Question 78 of 84
78. Question
In plastic analysis, the shape factor for a circular section, is

Question 79 of 84
79. Question
In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elastoplastic zone of the plastic hinge, is

Question 80 of 84
80. Question
The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is

Question 81 of 84
81. Question
The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is

Question 82 of 84
82. Question
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

Question 83 of 84
83. Question
The ratio of shear stress and shear strain of an elastic material, is

Question 84 of 84
84. Question
At yield point of a test piece, the material