Civil Structural Analysis Multiple Choice Tests - ObjectiveBooks

Civil Structural Analysis Multiple Choice Tests

Practice Test: Question Set - 05


1. Independent displacement components at each joint of a rigid-jointed plane frame are
    (A) Three linear movements
    (B) Two linear movements and one rotation
    (C) One linear movement and two rotations
    (D) Three rotations

2. If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by
    (A) m + r + 2j
    (B) m - r + 2j
    (C) m + r - 2j
    (D) m + r - 3j

3. The carryover factor in a prismatic member whose far end is fixed is
    (A) 0
    (B) 1/2
    (C) 3/4
    (D) 1

4. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to
    (A) Increase and decrease
    (B) Increase and increase
    (C) Decrease and increase
    (D) Decrease and decrease

5. The degree of kinematic indeterminacy of a pin-jointed space frame is
    (A) 2j - r
    (B) 3j - r
    (C) j - 2r
    (D) j - 3r
Where ‘j’ is number of joints and ‘r’ is reaction components

6. The maximum bending moment due to a train of wheel loads on a simply supported girder
    (A) Always occurs at centre of span
    (B) Always occurs under a wheel load
    (C) Never occurs under a wheel load
    (D) None of the above

7. Consider the following statements:
    Sinking of an intermediate support of a continuous beam
  1. Reduces the negative moment at support.
  2. Increases the negative moment at support.
  3. Reduces the positive moment at support.
  4. Increases the positive moment at the centre of span.
Of these statements
    (A) 1 and 4 are correct
    (B) 1 and 3 are correct
    (C) 2 and 3 are correct
    (D) 2 and 4 are correct

8. When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when
    (A) The centre of gravity of the load system is midway between the centre of span and wheel load under consideration
    (B) The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
    (C) The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
    (D) None of the above

9. Castigliano's first theorem is applicable
    (A) For statically determinate structures only
    (B) When the system behaves elastically
    (C) Only when principle of superposition is valid
    (D) None of the above

10. Number of unknown internal forces in each member of a rigid jointed plane frame is
    (A) 1
    (B) 2
    (C) 3
    (D) 6

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