Correct : A. deflections are linear functions of applied forces
2. The Castigliano's second theorem can be used to compute deflections
Correct : B. for any type of structure
3. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in
any diagonal member in the left half of the span would
Correct : A. change from compression to tension
4. Which of the following methods of structural analysis is a force method?
Correct : B. column analogy method
5. Which of the following is not the displacement method?
Correct : B. column analogy method
6. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
Correct : C. remains unchanged
7. 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
8. 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
9. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is
Correct : A. unstable
10. The three moments equation is applicable only when
Correct : C. there is no discontinuity such as hinges within the span
11. Which of the following methods of structural analysis is a displacement method?
Correct : A. moment distribution method
12. The fixed support in a real beam becomes in the conjugate beam a
Correct : D. free end
13. For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the
horizontal thrust
Correct : B. is decreased
14. A load 'W T
maximum bending moment at 0.4 1 from the left support is
Correct : C. 0.24 wl
15. In the displacement method of structural analysis, the basic unknowns are
Correct : A. displacements
16. In moment distribution method, the sum of distribution factors of all the members meeting at any
joint is always
Correct : C. 1
17. The width of the analogous column in the method of column analogy is
Correct : B. 1/ei
18. L
EI
Correct : A. l/ei
19. Degree of kinematic indeterminacy of a pin-jointed plane frame is given by
Correct : A. 2j - r
20. The number of independent equations to be satisfied for static equilibrium of a plane structure is
Correct : C. 3
21. While using three moments equation, a fixed end of a continuous beam is replaced by an
additional span of
Correct : A. zero length
22. Select the correct statement
Correct : C. both (a) and (b)
23. W L
x x
Correct : A. 0.211 l
24. Bending moment at any section in a conjugate beam gives in the actual beam
Correct : C. deflection
25. The number of independent displacement components at each joint of a rigid-jointed space frame
is
Correct : D. 6
26. Independent displacement components at each joint of a rigid-jointed plane frame are
Correct : B. two linear movements and one rotation
27. 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
Correct : C. m + r - 2j
28. The carryover factor in a prismatic member whose far end is fixed is
Correct : B. 1/2
29. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to
Correct : D. decrease and decrease
30. The maximum bending moment due to a train of wheel loads on a simply supported girder
Correct : B. always occurs under a wheel load
31. When a series of wheel loads crosses a simply supported girder, the maximum bending moment
under any given wheel load occurs when
Correct : B. the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
32. Castigliano's first theorem is applicable
Correct : C. only when principle of superposition is valid
33. Number of unknown internal forces in each member of a rigid jointed plane frame is
Correct : C. 3
34. The number of independent equations to be satisfied for static equilibrium in a space structure is
Correct : D. 6
35. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction
components and 14 joints is
Correct : C. 6
36. The degree of static indeterminacy up to which column analogy method can be used is
Correct : B. 3
37. A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending
moment will be
Correct : C. 30 kn.m
38. The deformation of a spring produced by a unit load is called