General Structural Analysis MCQs

1. In bars with large initial curvature the working stress is _________ the limit of proportionality.

2. The strain energy stored in a trussed beam is due to .... .

3. If E is the modulus of elasticity and I is the moment of inertia then, the width of the column in the column analogy method is equal to:

4. In a simple chain links what is the value of the pull in a straight position?

5. Calculate the horizontal tension in the cable whose load per meter run is 1 kilo newtons per meter. The span of the cable is 100 meters and it has a central dip of 10 meters.

6. If the span of a bridge is ___, then it is used in the construction of highways.

7. Calculate the minimum number of members required to build a stable truss, given that the number of joints required is 10.

8. Which type of support has zero degree of freedom?

9. The ratio of the total strain energy to redundant reaction is equal to:

10. In the equation of the final stress N/A + M/AR[(1 + 1/M) x (y/r + y)], the normal force 'N' is positive if it produces ________________.

11. The value of the bending stress at the neutral axis is ______

12. The value of the plane stress of a thin plate which is uniformly loaded by forces is .... .

13. Calculate the degree of external redundancy for a structure whose total number of reaction components are 90 and the total number of available conditions is 50.

14. Calculate the total indeterminateness for the above given diagram, given that the total number of reaction components is 4, degree of external indeterminacy is 1 and the degree of internal redundancy is 0.

15. If the distance of the neutral axis from the centroidal layer is negative, it means that:

16. The bending moment of an arch is equal to:

17. In a semi-circular arch, the load applied at the center is 1000 newtons. Calculate the reaction component.

18. Due to the .... in temperature, the length of the 3-hinged arch ... .

19. Which one does not come under the category of the compatibility method?

20. If λ is the small strain or displacement, ∂U is the total strain energy and ∂T is the elastic limit then, which among the following is the correct expression for the self straining systems?

21. In a continuous beam, the sum of the moments acting at a joint is equal to .... .

22. In unsymmetrical bending:

23. If the value of the degree of internal indeterminacy of a structural frame is 54, calculate the number of areas which are completely enclosed by members of the frame.

24. In the theory of bending, the external force is distributed _________ on the external force.

25. If the value of the equivalent uniformly distributed load is 10 newtons per meter and is distributed along a span of 10 meters, calculate the point load.

26. A simply supported beam has a maximum bending moment of 100 newtons per meter at the center of a 10 meter span. Calculate the uniformly distributed load across the beam.

27. Which one is not a characteristic of the cantilever method?

28. The anchor cables transfer the ..... of suspension cable to the anchorage.

29. In the Grashof's theory for symmetrically loaded circular plates, the thickness is .... .

30. The Airy stress function is denoted by:

31. Calculate the strain energy of a structure on which an axial load of 10 newtons is applied gradually. The structure undergoes a deformation of 50 millimeters.

32. A moment rotating a prismatic beam without translation induces at one end of the beam a moment .... of its magnitude.

33. In a circular plate, which stress is not considered?

34. In the column analogy method, the moment of the pressure at the base of the column is ..... the moment of the pressure on top of the column.

35. Calculate the end load A in a cantilever whose half depth of the section is 10 meters and the constant Z1 has a value of 9.

36. In a stable structure, the value of the algebraic sum of moment of forces about a point is ________.

37. The horizontal component of cable tension is __________ the horizontal reaction.

38. The number of independent elastic constants for an isotropic body is ___.

39. If the girder factor of a joint is 0.5, calculate the column factor?

40. A 2-hinged circular steel arch rib has a span of 50 meters and a rise of 10 meters. Calculate the radius of the arch.

41. Which force is not related to an arch?

42. If Mi is the fixed bending moment diagram and Ms is the static bending moment diagram then, the bending moment at any point in a beam is equal to:

43. Which bending moment is taken as negative?

44. Calculate the actual force in a structural member, given that the force in the member due to the external loading is 20 newtons, the redundant reaction component is 10 and force in the member due to unit force applied is 20 newtons.

45. In Castigliano's theorem, the total strain energy of the frame with respect to the force is equal to ________.

46. How many boundary condition equations are there in a plane?

47. The strain tensor consists of .... strain components.

48. Calculate the total column moment for each storey of the building, given that the total horizontal force above each storey/story is 100 newtons, the height of the storey is 50 meters, and the sum of the column end moment factor is 10.

49. Calculate the number of redundant members for the above given diagram.

50. Calculate the total number of members of a structure if it has 10 joints.

51. Which building exhibit(s) the highest positive bending moment?

52. In the Winkler Bach formula, the distribution of the bending stress is .... .

53. If W is single point load and L is the length of the span of cable then, which one is the correct value of maximum bending moment of a cable due to single point load?

54. Which methods is used to locate the neutral axis?

55. If the hoop stress in 1 meter diameter of a steel flywheel rim is 100000 newtons per square meter, calculate the circumferential strain in the rim. The modulus of elasticity is 2 x 105 newtons per square meter.

56. If I is the moment of inertia and L is the length of the beam, then the rigidity of a structural member is expressed as:

57. Which one is a characteristic of Kani's method?

58. A structure is ..... when it undergoes .... deformation.

59. Generalized Hooke's law equation which connects the strain components to stress components contains __________ elastic elements.

60. For a given set of loads, the value of the bending moment or the shear force curve for the whole beam is taken as ________.

61. In a wheel load, the maximum bending moment occurs:

62. If a rod has a large curvature, then the ratio of the depth of the section on the plane of the curvature to the radius of the curvature is equal to:

63. Calculate the stiffness of a helical spring placed in a structure supporting a weight of 100 newtons. The extension of the spring due to the static load is 10 millimeters?

64. The pull in a member is 100 newtons and the length of the structural member is 10 meters. Calculate the tension co-efficient for the structural member.

65. Calculate the work stored in the structural member, given that the force applied on the member is 100 newtons and the structural deformation on the member is 10 meters.

66. Calculate the total number of reaction components for the above given diagram.

67. In which type of portal frames are both the moments taken as negative in the clockwise as well as anti-clockwise direction?

68. The value of the bending moment at the hinge of the crown of a 3-hinged arch is .... .

69. A member which is in compression will have ..... tension co-efficient.

70. Calculate the circumferential strain in a structure, given that the hoop stress is 100000 newtons per square millimeter and the modulus of elasticity is 2 x 105 newtons per square millimeter.

71. The above diagram represents which among the following types of frames?

72. Using the moment distribution method, calculate the value of moment P over a span of 100 meters in a beam. The moment of inertia is 100 millimeters, while modulus of elasticity is 2 x 105 newtons per square meter.

73. Which type of force is not distributed over the volume of a body?