McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 1. |
Principle of superposition is applicable when |
| A. | deflections are linear functions of applied forces |
| B. | material obeys hooke\s law |
| C. | the action of applied forces will be affected by small deformations of the structure |
| D. | none of the above |
| Answer» A. deflections are linear functions of applied forces | |
| 2. |
The Castigliano's second theorem can be used to compute deflections |
| A. | in statically determinate structures only |
| B. | for any type of structure |
| C. | at the point under the load only |
| D. | for beams and frames only |
| Answer» 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 |
| A. | change from compression to tension |
| B. | change from tension to compression |
| C. | always be compression |
| D. | always be tension |
| Answer» A. change from compression to tension | |
| 4. |
Which of the following methods of structural analysis is a force method? |
| A. | slope deflection method |
| B. | column analogy method |
| C. | moment distribution method |
| D. | none of the above |
| Answer» B. column analogy method | |
| 5. |
Which of the following is not the displacement method? |
| A. | equilibrium method |
| B. | column analogy method |
| C. | moment distribution method |
| D. | kani\s method |
| Answer» B. column analogy method | |
| 6. |
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust |
| A. | is increased |
| B. | is decreased |
| C. | remains unchanged |
| D. | becomes zero |
| Answer» 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 |
| A. | vertical direction |
| B. | horizontal direction |
| C. | inclined direction |
| D. | the direction in which the deflection is required |
| Answer» 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 |
| A. | internal forces only |
| B. | external forces only |
| C. | internal as well as external forces |
| D. | none of the above |
| Answer» C. internal as well as external forces | |
| 9. |
If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is |
| A. | unstable |
| B. | stable and statically determinate |
| C. | stable and statically indeterminate |
| D. | none of the above |
| Answer» A. unstable | |
| 10. |
The three moments equation is applicable only when |
| A. | the beam is prismatic |
| B. | there is no settlement of supports |
| C. | there is no discontinuity such as hinges within the span |
| D. | the spans are equal |
| Answer» C. there is no discontinuity such as hinges within the span | |
| 11. |
Which of the following methods of structural analysis is a displacement method? |
| A. | moment distribution method |
| B. | column analogy method |
| C. | three moment equation |
| D. | none of the above |
| Answer» A. moment distribution method | |
| 12. |
The fixed support in a real beam becomes in the conjugate beam a |
| A. | roller support |
| B. | hinged support |
| C. | fixed support |
| D. | free end |
| Answer» D. free end | |
| 13. |
For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust |
| A. | is increased |
| B. | is decreased |
| C. | remains unchanged |
| D. | becomes zero |
| Answer» B. is decreased | |
| 14. |
A load 'W T maximum bending moment at 0.4 1 from the left support is |
| A. | 0.16 wl |
| B. | 0.20 wl |
| C. | 0.24 wl |
| D. | 0.25 wl |
| Answer» C. 0.24 wl | |
| 15. |
In the displacement method of structural analysis, the basic unknowns are |
| A. | displacements |
| B. | force |
| C. | displacements and forces |
| D. | none of the above |
| Answer» A. displacements | |
| 16. |
In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always |
| A. | zero |
| B. | less than 1 |
| C. | 1 |
| D. | greater than 1 |
| Answer» C. 1 | |
| 17. |
The width of the analogous column in the method of column analogy is |
| A. | 2/ei |
| B. | 1/ei |
| C. | 1/2 ei |
| D. | 1/4 ei |
| Answer» B. 1/ei | |
| 18. |
L EI |
| A. | l/ei |
| B. | l/2ei |
| C. | l/3ei |
| D. | l/4ei |
| Answer» A. l/ei | |
| 19. |
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 |
| Answer» A. 2j - r | |
| 20. |
The number of independent equations to be satisfied for static equilibrium of a plane structure is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» C. 3 | |
| 21. |
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 |
| Answer» A. zero length | |
| 22. |
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 |
| Answer» C. both (a) and (b) | |
| 23. |
W L x x |
| A. | 0.211 l |
| B. | 0.25 l |
| C. | 0.234 l |
| D. | 0.5 l |
| Answer» A. 0.211 l | |
| 24. |
Bending moment at any section in a conjugate beam gives in the actual beam |
| A. | slope |
| B. | curvature |
| C. | deflection |
| D. | bending moment |
| Answer» C. deflection | |
| 25. |
The number of independent displacement components at each joint of a rigid-jointed space frame is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» D. 6 | |
| 26. |
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 |
| Answer» 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 |
| A. | m + r + 2j |
| B. | m - r + 2j |
| C. | m + r - 2j |
| D. | m + r - 3j |
| Answer» C. m + r - 2j | |
| 28. |
The carryover factor in a prismatic member whose far end is fixed is |
| A. | 0 |
| B. | 1/2 |
| C. | 3/4 |
| D. | 1 |
| Answer» B. 1/2 | |
| 29. |
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 |
| Answer» D. decrease and decrease | |
| 30. |
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 |
| Answer» 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 |
| 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 |
| Answer» 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 |
| 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 |
| Answer» C. only when principle of superposition is valid | |
| 33. |
Number of unknown internal forces in each member of a rigid jointed plane frame is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» C. 3 | |
| 34. |
The number of independent equations to be satisfied for static equilibrium in a space structure is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 35. |
Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is |
| A. | 2 |
| B. | 3 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 36. |
The degree of static indeterminacy up to which column analogy method can be used is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | unrestricted |
| Answer» 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 |
| A. | 8 kn.m |
| B. | 15 kn.m |
| C. | 30 kn.m |
| D. | 60 kn.m |
| Answer» C. 30 kn.m | |
| 38. |
The deformation of a spring produced by a unit load is called |
| A. | stiffness |
| B. | flexibility |
| C. | influence coefficient |
| D. | unit strain |
| Answer» B. flexibility | |
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