MCQOPTIONS
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MCQOPTIONS
This section includes 244 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by |
| A. | F = My/I |
| B. | F = M/Z |
| C. | F = dM/dx |
| D. | F = dM/dx |
| Answer» D. F = dM/dx | |
| 202. |
In a three hinged arch, the shear force is usually |
| A. | Maximum at crown |
| B. | Maximum at springing |
| C. | Maximum at quarter points |
| D. | Varies with slope |
| Answer» C. Maximum at quarter points | |
| 203. |
If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either |
| A. | Meet in a point |
| B. | Be all parallel |
| C. | At least two of them must meet |
| D. | All the above are correct |
| Answer» E. | |
| 204. |
If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called |
| A. | Chain riveting |
| B. | Zig-zag riveting |
| C. | Diamond riveting |
| D. | None of these |
| Answer» D. None of these | |
| 205. |
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be |
| A. | Towards the wall at its upper end |
| B. | Away from the wall at its upper end |
| C. | Upwards at its upper end |
| D. | Downwards at its upper end |
| Answer» D. Downwards at its upper end | |
| 206. |
If two tensile forces mutually perpendicular act on a rectangular parallelepiped bar are equal, the resulting elongation of the pipe, is |
| A. | (P/E) (1 - m) |
| B. | (E/P) (m -1) |
| C. | (E/P) (1 - m) |
| D. | (P/E) (1 + m) |
| Answer» B. (E/P) (m -1) | |
| 207. |
If a rectangular beam measuring 10 × 18 × 400 cm carries a uniformly 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 | |
| 208. |
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate |
| A. | 0.5 cm |
| B. | 1.0 cm |
| C. | 1.5 cm |
| D. | 2.5 cm |
| Answer» B. 1.0 cm | |
| 209. |
Maximum deflection of a |
| A. | Cantilever beam carrying a concentrated load W at its free end is WL3 /3EI |
| B. | Simply supported beam carrying a concentrated load W at mid-span is WL3 /48EI |
| C. | Cantilever beam, carrying a uniformly distributed load over span is WL3 /8EI |
| D. | All the above |
| Answer» E. | |
| 210. |
A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is |
| A. | 3S/bh |
| B. | 4S/bh |
| C. | 4b/Sh |
| D. | 3b/bS |
| Answer» B. 4S/bh | |
| 211. |
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if |
| A. | The floor is smooth, the wall is rough |
| B. | The floor is rough, the wall is smooth |
| C. | The floor and wall both are smooth surfaces |
| D. | The floor and wall both are rough surfaces |
| Answer» D. The floor and wall both are rough surfaces | |
| 212. |
A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2 . If the moment of inertia of the beam is 640 cm4 , the overall depth of the beam is |
| A. | 10 cm |
| B. | 12 cm |
| C. | 15 cm |
| D. | 18 cm |
| Answer» B. 12 cm | |
| 213. |
Pick up the incorrect statement |
| A. | The cross-sectional area of the welded member is effective |
| B. | A welded joint develops strength of its parent metal |
| C. | Welded joints provide rigidity |
| D. | Welding takes more time than riveting |
| Answer» E. | |
| 214. |
For structural analysis, Maxwell's reciprocal theorem can be applied to: |
| A. | Plastic structures |
| B. | Elastic structures |
| C. | Symmetrical structures |
| D. | All the above |
| Answer» C. Symmetrical structures | |
| 215. |
If a circular beam of diameter d experiences a longitudinal strain P/E and a lateral strain 2P/mE, the volumetric strain is |
| A. | (P/E) + (2P/mE) |
| B. | (P/E) - (2P/mE) |
| C. | (P/E) + (mE/2P) |
| D. | (P/E) - (mE/2P) |
| Answer» C. (P/E) + (mE/2P) | |
| 216. |
A bending moment may be defined as: |
| A. | Arithmetic sum of the moments of all the forces on either side of the section |
| B. | Arithmetic sum of the forces on either side of the section |
| C. | Algebraic sum of the moments of all the forces on either side of the section |
| D. | None of these |
| Answer» D. None of these | |
| 217. |
The unit of force in S.I. units is |
| A. | Kilogram |
| B. | Newton |
| C. | Watt |
| D. | Dyne |
| Answer» C. Watt | |
| 218. |
The property of a material by which it can be drawn to a smaller section, due to tension, is called |
| A. | Plasticity |
| B. | Ductility |
| C. | Elasticity |
| D. | Malleability |
| Answer» C. Elasticity | |
| 219. |
A long vertical member, subjected to an axial compressive load, is called |
| A. | A column |
| B. | A strut |
| C. | A tie |
| D. | A stanchion |
| Answer» B. A strut | |
| 220. |
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 × 106 kg/cm2 |
| A. | 166 kg |
| B. | 102 kg |
| C. | 204 kg |
| D. | 74 kg |
| Answer» C. 204 kg | |
| 221. |
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is |
| A. | Same |
| B. | Double |
| C. | Half |
| D. | Four times |
| Answer» C. Half | |
| 222. |
Beams of uniform strength are preferred to those of uniform section because these are economical for |
| A. | Large spans |
| B. | Heavy weights |
| C. | Light weights |
| D. | Short spans |
| Answer» B. Heavy weights | |
| 223. |
An arch with three hinges, is a structure |
| A. | Statically determinate |
| B. | Statically indeterminate |
| C. | Geometrically unstable |
| D. | Structurally sound but indeterminate |
| Answer» B. Statically indeterminate | |
| 224. |
The maximum frictional force which comes into play when a body just begins to slide over another surface is called |
| A. | Limiting friction |
| B. | Sliding friction |
| C. | Rolling friction |
| D. | Kinematic friction |
| Answer» B. Sliding friction | |
| 225. |
In a solid arch, shear force acts |
| A. | Vertically upwards |
| B. | Along the axis of the arch |
| C. | Perpendicular to the axis of arch |
| D. | Tangentially to the arch |
| Answer» D. Tangentially to the arch | |
| 226. |
If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella |
| A. | More inclined when moving |
| B. | Less inclined when moving |
| C. | More inclined when standing |
| D. | Less inclined when standing |
| Answer» E. | |
| 227. |
The under mentioned type is simple strain |
| A. | Tensile strain |
| B. | Compressive strain |
| C. | Shear strain |
| D. | All the above |
| Answer» E. | |
| 228. |
If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. |
| A. | Compressive force |
| B. | Tensile force |
| C. | Shear force |
| D. | Bending moment |
| Answer» B. Tensile force | |
| 229. |
A beam is said to be of uniform strength, if |
| A. | B.M. is same throughout the beam |
| B. | Deflection is same throughout the beam |
| C. | Bending stress is same throughout the beam |
| D. | Shear stress is same throughout the beam |
| Answer» D. Shear stress is same throughout the beam | |
| 230. |
The deflection of any rectangular beam simply supported, is |
| A. | Directly proportional to its weight |
| B. | Inversely proportional to its width |
| C. | Inversely proportional to the cube of its depth |
| D. | Directly proportional to the cube of its length |
| Answer» D. Directly proportional to the cube of its length | |
| 231. |
The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and |
| A. | Moment of inertia |
| B. | Polar moment of inertia |
| C. | Polar modulus |
| D. | Modulus of rigidly |
| Answer» D. Modulus of rigidly | |
| 232. |
The center of gravity of a uniform lamina lies at |
| A. | The center of heavy portion |
| B. | The bottom surface |
| C. | The midpoint of its axis |
| D. | All of the above |
| Answer» D. All of the above | |
| 233. |
If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Infinity |
| Answer» D. Infinity | |
| 234. |
Two coplanar couples having equal and opposite moments |
| A. | Balance each other |
| B. | Produce a couple and an unbalanced force |
| C. | Are equivalent |
| D. | Produce a moment of couple |
| Answer» E. | |
| 235. |
If a number of forces act simultaneously on a particle, it is possible |
| A. | Not a replace them by a single force |
| B. | To replace them by a single force |
| C. | To replace them by a single force through C.G. |
| D. | To replace them by a couple |
| Answer» C. To replace them by a single force through C.G. | |
| 236. |
Which of the following do not have identical dimensions? |
| A. | Momentum and impulse |
| B. | Torque and energy |
| C. | Torque and work |
| D. | Moment of a force and angular momentum |
| Answer» E. | |
| 237. |
According to principle of transmissibility of forces, the effect of a force upon a body is |
| A. | Maximum when it acts at the center of gravity of a body |
| B. | Different at different points in its line of action |
| C. | The same at every point in its line of action |
| D. | Minimum when it acts at the C.G. of the body |
| Answer» D. Minimum when it acts at the C.G. of the body | |
| 238. |
In determining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than |
| A. | Two members with unknown forces of the frame |
| B. | Three members with unknown forces of the frame |
| C. | Four members with unknown forces of the frame |
| D. | Three members with known forces of the frame |
| Answer» C. Four members with unknown forces of the frame | |
| 239. |
A cable with a uniformly distributed load per horizontal metre run will take the following shape |
| A. | Straight line |
| B. | Parabola |
| C. | Hyperbola |
| D. | Elliptical |
| Answer» C. Hyperbola | |
| 240. |
Which of the following is the example of lever of first order? |
| A. | Arm of man |
| B. | Pair of scissors |
| C. | Pair of clinical tongs |
| D. | All of the above |
| Answer» E. | |
| 241. |
The necessary condition for forces to be in equilibrium is that these should be |
| A. | Coplanar |
| B. | Meet at one point |
| C. | Both (A) and (B) above |
| D. | All be equal |
| Answer» D. All be equal | |
| 242. |
Limiting force of friction is the |
| A. | Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction |
| B. | Ratio of limiting friction and normal reaction |
| C. | The friction force acting when the body is just about to move |
| D. | The friction force acting when the body is in motion |
| Answer» D. The friction force acting when the body is in motion | |
| 243. |
The center of gravity of a triangle lies at the point of |
| A. | Concurrence of the medians |
| B. | Intersection of its altitudes |
| C. | Intersection of bisector of angles |
| D. | Intersection of diagonals |
| Answer» B. Intersection of its altitudes | |
| 244. |
According to Lami's theorem |
| A. | Three forces acting at a point will be in equilibrium |
| B. | Three forces acting at a point can be represented by a triangle, each side being proportional to force |
| C. | If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium |
| D. | If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two |
| Answer» E. | |