Quiznetik

Structural Analysis 1 | Set 1

1. All reinforced concrete buildings are most of times:-

Correct : B. statically indeterminate

2. in most cases, for a given loading maximum stress and deflection of an indeterminate structure are                      than that of a determinate one.

Correct : B. smaller

3. Which structure will perform better during earthquake?

Correct : B. statically indeterminate

4. There are two beams of equal length L and a load P is acting on centre of both beams. One of them is simply supported at both ends while the other one is fixed at both ends. Deflection of centre of simply supported beam will be                      times that of defection of centre of fixed beam.

Correct : D. 4

5. Which type of structure would cost less in terms of materials?

Correct : B. statically indeterminate

6. Which type of structure would cost less in terms of supports?

Correct : A. statically determinate

7. Differential settlement is problematic to which type of structure?

Correct : B. statically indeterminate

8. Fabrication errors don’t cause additional stresses in statically indeterminate structures. State whether the above statement is true or false.

Correct : B. false

9. If in the above problem in Q5, if load P is excessively increased in simply supported beam, then where would a hinge like point form?

Correct : B. at both ends

10. What will be the value of mCB, after solving these equations?

Correct : D. -3.09

11. What will be the value of mBA, after solving these equations?

Correct : C. 12.86

12. What will be the support reaction at point B?

Correct : A. 4.95

13. How many separate parts will be required for this question?

Correct : C. 2

14. What will be the deflection of beam AB?

Correct : A. 0

15. What will be the deflection of beam BC?

Correct : A. 0

16. What will be the rotation of beam BC at point C?

Correct : D. it will depend upon the rotation of beam bc at point b

17. After using all the joint conditions, how many unknowns are still left?

Correct : B. 1

18. While using slope deflection method, in which direction is moment taken as positive?

Correct : A. clockwise

19. While drawing BMD after using these equations, in which direction is moment taken as positive?

Correct : C. depends upon case

20. If support B settles by 1mm downward, what is direction of rotation at point A?

Correct : A. +ve

21. If support A settles by 1mm downward, what is direction of rotation at point A?

Correct : B. -ve

22. If support A settles by 1mm downward, what is direction of rotation at point B?

Correct : B. -ve

23. If a beam has 4 external supports, then how many parts would it be divided in case of using slope deflection equations?

Correct : D. 3

24. How many sde (slope deflection equations) are possible if 4 supports are there?

Correct : D. 6

25. Initially, how many total unknowns will be there in 6 equations?

Correct : C. 9

26. After writing sde, what is the second step?

Correct : B. use equilibrium equations

27. The maximum negative bending moment in fixed beam carrying udl occurs at

Correct : C. supports

28. A fixed beam of the uniform section is carrying a point load at the centre, if the moment of inertia of the middle half portion is reduced to half its previous value, then the fixed end moments will

Correct : A. increase

29. In propped cantilevers, the prop reaction is 3/8 wl.

Correct : A. true

30. A propped cantilever beam carrying total load “W” distributed evenly over its entire length calculate the vertical force required in the prop.

Correct : D. 3/8 w

31. A mouthpiece is a short length of a pipe which is not more than                      times its diameter.

Correct : D. 2-3

32. The section which has a minimum cross sectional are in a flow is known as

Correct : A. vena contracta

33. Which of the following is not a hydraulic coefficient?

Correct : C. coefficient of viscosity

34. Bell mouthed orifices can be categorised in according to

Correct : C. shape of upstream

35. The Cv taken for sharp edged orifice generally is

Correct : B. 0.98

36. The relation between hydraulic coefficients is Cd = Cc × Cv.

Correct : B. true

37. Deflection Equations method was developed by:-

Correct : D. mohr and manderla

38. What is the Degree of freedom of this beam?

Correct : C. 3

39. If point A goes down and point B goes up, then this will be:-

Correct : B. negative rotation

40. What will be MBA in this case?

Correct : B. 2ei θa/l

41. What will be MAB in this case?

Correct : D. 4ei θa/l

42. What will be MBA in this case?

Correct : D. 4ei θb/l

43. What will be the difference in moment acting at both the ends?

Correct : D. 0

44. What will be the difference in shear force acting at both the ends?

Correct : D. 0

45. Moment Distribution Method is applicable to the determinate and indeterminate structure.

Correct : B. false

46. Carryover Moment is defined as

Correct : C. the moment developed or induced at one end due to a moment at another end

47. Carryover Moment at end B due to moment M applied at end A for the given non-prismatic beam is

Correct : C. greater than m/2

48. 3 SUPPORT SETTLEMENT - SYMMETRIC FRAMES WITH SYMMETRIC AND SKEW-SYMMETRIC LOADINGS.

Correct : A. 0

49. What will be the FEM at point B in beam AB?

Correct : A. 0

50. What will be the rotation of beam AB at point A?

Correct : C. 0

51. What will be the rotation of beam BC at point C?

Correct : C. 0

52. What will be the extra condition, which we will get if we conserve moment near joint B?

Correct : C. mba + mbc = 0

53. Total how many equations will be generated?

Correct : D. 4

54. What will be the value of mAB, after solving these equations?

Correct : B. 1.54

55. What will be the value of mBC, after solving these equations?

Correct : A. 3.09

56. How many compatibility equations should be written if we have n no. of redundant reactions?

Correct : B. n

57. Flexibility matrix is always:-

Correct : A. symmetric

58. Which of the following primary structure is best for computational purposes?

Correct : A. symmetric

59. For computational purposes, deflected primary structure ans actual structure should be

Correct : B. as similar as possible

60. In general, any structure can be classified as a symmetric one :-

Correct : D. when it develops symmetric internal loading and deflections

61. Normally, which of the following things may/may not be symmetric to develop symmetricity?

Correct : D. dki

62. The degree of freedom for a pin jointed plane frame is given by 3j – m – r.

Correct : B. false

63. In case of pin jointed plane frame, rotational displacement of the nodes are not considered.

Correct : A. true

64. Identify the correct statements of the followings.

Correct : A. two degrees of freedom are available at each joint of pin jointed plane frame

65. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : C. 12

66. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : B. 13

67. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : B. 9

68. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : A. 8

69. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : A. 4

70. Calculate the kinematic indeterminacy of the following pin jointed plane frame.

Correct : C. 8

71. Total how many equations will be generated?

Correct : C. 3

72. What will be the value of mAB, after solving these equations?

Correct : D. -108

73. What will be the value of mBC, after solving these equations?

Correct : C. -72

74. What will be the value of mCB, after solving these equations?

Correct : D. 0

75. What will be the value of mBA, after solving these equations?

Correct : B. 72

76. What will be the support reaction at point B?

Correct : D. 37.5

77. There will be one point of discontinuity in the bending moment diagram of this question. State whether the above statement is true or false.

Correct : B. false

78. How many separate parts will be required for this question?

Correct : D. 3

79. Distribution factor is the ratio in which force sharing capacity of various members meeting at a rigid joint.

Correct : D. explanation: distribution factor is the ratio in which moment sharing capacity of various members meeting at a rigid joint.

80. What will be the FEM at point A in beam AB?

Correct : D. -72

81. What will be the FEM at point B in beam AB?

Correct : C. 72

82. What will be the rotation of beam CD at point D?

Correct : C. 0

83. After using all the joint conditions, how many unknowns are still left?

Correct : C. 2

84. What will be one of the extra condition, which we will get if we conserve moment near joint B?

Correct : C. mba + mbc = 0

85. Total how many equations will be generated?

Correct : D. 6

86. If in a pin-jointed plane frame (m + r) > 2j, then the frame is

Correct : B. Stable and statically indeterminate

87. Principle of superposition is applicable when

Correct : A. Deflections are linear functions of applied forces

88. The Castigliano's second theorem can be used to compute deflections

Correct : B. For any type of structure

89. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

Correct : D. Whole span

90. Which of the following methods of structural analysis is a force method?

Correct : B. Column analogy method

91. Which of the following is not the displacement method?

Correct : B. Column analogy method

92. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

Correct : C. Remains unchanged

93. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

Correct : D. The direction in which the deflection is required

94. The principle of virtual work can be applied to elastic system by considering the virtual work of

Correct : C. Internal as well as external forces

95. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

Correct : A. Unstable

96. The three moments equation is applicable only when

Correct : C. There is no discontinuity such as hinges within the span

97. Which of the following methods of structural analysis is a displacement method?

Correct : A. Moment distribution method

98. The fixed support in a real beam becomes in the conjugate beam a

Correct : D. Free end

99. For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust

Correct : B. Is decreased

100. In the displacement method of structural analysis, the basic unknowns are

Correct : A. Displacements