Structural Analysis Online Objective Practice - Set 03 - ObjectiveBooks

# Practice Test: Question Set - 03

1. The degree of static indeterminacy of a rigid-jointed space frame is
(A) m + r - 2j
(B) m + r - 3j
(C) 3m + r - 3j
(D) 6m + r - 6j
Where m, r and j have their usual meanings

2. Degree of kinematic indeterminacy of a pin-jointed plane frame is given by
(A) 2j - r
(B) j - 2r
(C) 3j - r
(D) 2j + r

3. The number of independent equations to be satisfied for static equilibrium of a plane structure is
(A) 1
(B) 2
(C) 3
(D) 6

4. The degree of static indeterminacy of a pin-jointed space frame is given by
(A) m + r - 2j
(B) m + r - 3j
(C) 3m + r - 3j
(D) m + r + 3j
Where ‘m’ is number of unknown member forces, ‘r’ is unknown reaction components and ‘j’ is number of joints

5. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
(A) Zero length
(B) Infinite length
(C) Zero moment of inertia
(D) None of the above

6. Select the correct statement
(A) Flexibility matrix is a square symmetrical matrix
(B) Stiffness matrix is a square symmetrical matrix
(C) Both (A) and (B)
(D) None of the above

7. For a single point load ‘W’ moving on a symmetrical three hinged parabolic arch of span ‘L’, the maximum sagging moment occurs at a distance ‘x’ from ends. The value of ‘x’ is
(A) 0.211 L
(B) 0.25 L
(C) 0.234 L
(D) 0.5 L

8. Study the following statements.
1. The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy
2. The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy
3. The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy
4. The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy
(A) (1) and (3)
(B) (2) and (3)
(C) (1) and (4)
(D) (2) and (4)

9. Bending moment at any section in a conjugate beam gives in the actual beam
(A) Slope
(B) Curvature
(C) Deflection
(D) Bending moment

10. The number of independent displacement components at each joint of a rigid-jointed space frame is
(A) 1
(B) 2
(C) 3
(D) 6

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