The Following Section consists of Multiple Choice Questions on Theory of Structures.
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Theory of Structures MCQ
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Question 1 of 20
1. Question
1 pointsThe assumption in the theory of bending of beams, is :
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Question 2 of 20
2. Question
1 pointsThe shape factor of standard rolled beam section varies from
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Question 3 of 20
3. Question
1 pointsShear strain energy theory for the failure of a material at elastic limit, is due to
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Question 4 of 20
4. Question
1 pointsThe point of contraflexure is the point where
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Question 5 of 20
5. Question
1 pointsThe normal component of a force inclined through θ° is obtained by multiplying the force by
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Question 6 of 20
6. Question
1 pointsStress may be defined as
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Question 7 of 20
7. Question
1 pointsTotal strain energy theory for the failure of a material at elastic limit, is known
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Question 8 of 20
8. Question
1 pointsPrincipal planes are subjected to
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Question 9 of 20
9. Question
1 pointsIn plastic analysis, the shape factor for a circular section, is
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Question 10 of 20
10. Question
1 pointsIn plastic analysis, the shape factor for rectangular section, is
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Question 11 of 20
11. Question
1 pointsA truss containing j joints and m members, will be a simple truss if
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Question 12 of 20
12. Question
1 pointsA 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,
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Question 13 of 20
13. Question
1 pointsA material is said to be perfectly elastic if
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Question 14 of 20
14. Question
1 pointsBeams composed of more than one material, rigidly connected together so as to behave as one piece, are known as
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Question 15 of 20
15. Question
1 pointsPick up the correct statement from the following:
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Question 16 of 20
16. Question
1 pointsThere are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of
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Question 17 of 20
17. Question
1 pointsIf Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:
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Question 18 of 20
18. Question
1 pointsIn plastic analysis, the shape factor for a triangular section, is
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Question 19 of 20
19. Question
1 pointsPick up the correct statement from the following:
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Question 20 of 20
20. Question
1 pointsFor determining the support reactions at A and B of a three hinged arch, points B and C are 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
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Theory of Structures MCQ 2
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Question 1 of 20
1. Question
1 pointsPick up the correct statement from the following:
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Question 2 of 20
2. Question
1 pointsA 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
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Question 3 of 20
3. Question
1 pointsPick up the correct statement from the following:
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Question 4 of 20
4. Question
1 pointsThe ratio of lateral strain to axial strain of a homogeneous material, is known
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Question 5 of 20
5. Question
1 pointsAn isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is
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Question 6 of 20
6. Question
1 pointsThe 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
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Question 7 of 20
7. Question
1 pointsPick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional to
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Question 8 of 20
8. Question
1 pointsFlat spiral springs
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Question 9 of 20
9. Question
1 pointsThe yield moment of a cross section is defined as the moment that will just produce the yield stress in
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Question 10 of 20
10. Question
1 pointsThe forces in the members of simple trusses, may be analysed by
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Question 11 of 20
11. Question
1 pointsThe strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
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Question 12 of 20
12. Question
1 pointsAt yield point of a test piece, the material
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Question 13 of 20
13. Question
1 pointsThe ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is
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Question 14 of 20
14. Question
1 pointsCo-efficient of wind resistance of a circular surface, is
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Question 15 of 20
15. Question
1 pointsThe eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is
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Question 16 of 20
16. Question
1 pointsThe locus of reaction of a two hinged semi-circular arch, is
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Question 17 of 20
17. Question
1 pointsThe ratio of the area of cross-section of a circular section to the area of its core, is
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Question 18 of 20
18. Question
1 pointsThe 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
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Question 19 of 20
19. Question
1 pointsThe greatest load which a spring can carry without getting permanently distorted, is called
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Question 20 of 20
20. Question
1 pointsA three hinged arch is generally hinged at its supports and
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Theory of Structures MCQ 3
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Question 1 of 20
1. Question
1 pointsMaximum shear stress theory for the failure of a material at the elastic limit, is known
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Question 2 of 20
2. Question
1 pointsA composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised
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Question 3 of 20
3. Question
1 pointsPick up the correct statement from the following:
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Question 4 of 20
4. Question
1 pointsPick up the correct statement from the following:
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Question 5 of 20
5. Question
1 pointsMaximum principal stress theory for the failure of a material at elastic point, is known
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Question 6 of 20
6. Question
1 pointsThe ratio of tangential and normal components of a stress on an inclined plane through θ° to the direction of the force, is :
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Question 7 of 20
7. Question
1 pointsThe ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is
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Question 8 of 20
8. Question
1 pointsMaximum strain theory for the failure of a material at the elastic limit, is known as
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Question 9 of 20
9. Question
1 pointsPick up the correct statement from the following:
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Question 10 of 20
10. Question
1 pointsGradually applied static loads do not change with time their
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Question 11 of 20
11. Question
1 pointsSlenderness ratio of a long column, is
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Question 12 of 20
12. Question
1 pointsThe normal and tangential components of stress on an inclined plane through θ° to the direction of the force, will be equal if θ is
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Question 13 of 20
13. Question
1 pointsA steel bar 20 mm in diameter simply-supported 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
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Question 14 of 20
14. Question
1 pointsA close coil helical spring when subjected to a moment M having its axis along the axis of the helix
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Question 15 of 20
15. Question
1 pointsA body is said to be in equilibrium if
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Question 16 of 20
16. Question
1 pointsThe ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is
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Question 17 of 20
17. Question
1 pointsIn case of principal axes of a section
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Question 18 of 20
18. Question
1 pointsAt any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by
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Question 19 of 20
19. Question
1 pointsThe load on a spring per unit deflection, is called
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Question 20 of 20
20. Question
1 pointsIn a shaft, the shear stress is not directly proportional to
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Theory of Structures MCQ 4
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Question 1 of 20
1. Question
1 pointsA compound truss may be formed by connecting two simple rigid frames, by
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Question 2 of 20
2. Question
1 pointsThe locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is
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Question 3 of 20
3. Question
1 pointsThe ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is
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Question 4 of 20
4. Question
1 pointsFor a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is
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Question 5 of 20
5. Question
1 pointsThe locus of the moment of inertia about inclined axes to the principal axis, is
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Question 6 of 20
6. Question
1 pointsThe ratio of maximum and average shear stresses on a rectangular section, is
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Question 7 of 20
7. Question
1 pointsA simply supported beam A carries a point load at its midspan. An other 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
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Question 8 of 20
8. Question
1 pointsThe strain energy due to volumetric strain
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Question 9 of 20
9. Question
1 pointsm1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if
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Question 10 of 20
10. Question
1 pointsIn case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
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Question 11 of 20
11. Question
1 pointsA concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is
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Question 12 of 20
12. Question
1 pointsStress may be expressed in Newtons
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Question 13 of 20
13. Question
1 pointsA 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 :
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Question 14 of 20
14. Question
1 pointsIn case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
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Question 15 of 20
15. Question
1 pointsThe ratio of maximum shear stress to average shear stress of a circular beam, is
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Question 16 of 20
16. Question
1 pointsA 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 Esteel = 2 x 106 kg/cm2, the side of the rod, is
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Question 17 of 20
17. Question
1 pointsThe maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is
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Question 18 of 20
18. Question
1 pointsThe tangential component of stress on an plane inclined θ° to the direction of the force, may be obtained by multiplying the normal stress by
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Question 19 of 20
19. Question
1 pointsA 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
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Question 20 of 20
20. Question
1 pointsA shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is
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