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MCQOPTIONS
This section includes 719 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is |
| A. | 9.5541 kg/cm2 |
| B. | 95.541 kg/cm2 |
| C. | 955.41 kg/cm2 |
| D. | 9554.1 kg/cm2. |
| Answer» D. 9554.1 kg/cm2. | |
| 702. |
The property of a material by which it can be beaten or rolled into thin plates, is called |
| A. | malleability |
| B. | ductility |
| C. | plasticity |
| D. | elasticity. |
| Answer» B. ductility | |
| 703. |
The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is |
| A. | 200 |
| B. | 240 |
| C. | 360 |
| D. | 416 |
| Answer» E. | |
| 704. |
If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by |
| A. | 8 |
| B. | 43678 |
| C. | 43525 |
| D. | 2 |
| Answer» B. 43678 | |
| 705. |
The maximum bending moment due to a moving load on a simply supported beam, occurs |
| A. | at the mid span |
| B. | at the supports |
| C. | under the load |
| D. | anywhere on the beam |
| Answer» D. anywhere on the beam | |
| 706. |
The moment diagram for a cantilever carrying a concentrated load at its free end, will be |
| A. | triangle |
| B. | rectangle |
| C. | parabola |
| D. | cubic parabola. |
| Answer» B. rectangle | |
| 707. |
For a simply supported beam of length L, the bending moment M is described as M = a (x - x3/L2), 0 ≤ x < L; where a is a constant. The shear force will be zero at |
| A. | the supports |
| B. | x = L/2 |
| C. | x = L/3 |
| D. | x = L/3 |
| Answer» D. x = L/3 | |
| 708. |
The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 106 kg/cm2) |
| A. | 166 kg |
| B. | 102 kg |
| C. | 204 kg |
| D. | 74 kg |
| Answer» C. 204 kg | |
| 709. |
If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of |
| A. | b/d |
| B. | d/b |
| C. | (d/b)2 |
| D. | (b/d)2 |
| Answer» E. | |
| 710. |
If the shear force along a section of a beam is zero, the bending moment at the section is |
| A. | zero |
| B. | maximum |
| C. | minimum |
| D. | average of maximum-minimum |
| Answer» C. minimum | |
| 711. |
A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be |
| A. | zero |
| B. | upward |
| C. | downward |
| D. | none of these. |
| Answer» C. downward | |
| 712. |
The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» E. | |
| 713. |
If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is |
| A. | 240 kg |
| B. | 250 kg |
| C. | 260 kg |
| D. | 270 kg |
| Answer» C. 260 kg | |
| 714. |
In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is |
| A. | 30 tonnes |
| B. | 60 tonnes |
| C. | 90 tonnes |
| D. | 120 tonnes |
| Answer» B. 60 tonnes | |
| 715. |
The radius of gyration of a rectangular section is not proportional to |
| A. | square root of the moment of inertia |
| B. | square root of the inverse of the area |
| C. | square root of the moment of inertia divided by area of the section |
| D. | none of these. |
| Answer» E. | |
| 716. |
In a loaded beam, the point of con-traflexture occurs at a section where |
| A. | bending moment is minimum |
| B. | bending moment is zero or changes sign |
| C. | bending moment is maximum |
| D. | shearing force is maximum |
| Answer» C. bending moment is maximum | |
| 717. |
The minimum number of rivets for the connection of a gusset plate, is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 718. |
The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is |
| A. | 43556 |
| B. | 43497 |
| C. | 42370 |
| D. | 15/16 |
| Answer» E. | |
| 719. |
When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called |
| A. | grid frame |
| B. | plane frame |
| C. | space frame |
| D. | truss frame. |
| Answer» D. truss frame. | |