MCQOPTIONS
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MCQOPTIONS
This section includes 374 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
Coefficient of friction depends on |
| A. | Nature of surfaces only |
| B. | Area of contact only |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» B. Area of contact only | |
| 352. |
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and |
| A. | Concurrent |
| B. | Parallel |
| C. | Concurrent parallel |
| D. | None of these |
| Answer» B. Parallel | |
| 353. |
Pick up the correct statement from the following. The kinetic energy of a body |
| A. | Before impact is equal to that after impact |
| B. | Before impact is less than that after impact |
| C. | Before impact is more than that after impact |
| D. | Remain constant |
| Answer» D. Remain constant | |
| 354. |
A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is |
| A. | 1.00 m/sec |
| B. | 1.57 m/sec |
| C. | 3.14 m/sec |
| D. | 6.28 m/sec |
| Answer» D. 6.28 m/sec | |
| 355. |
The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is |
| A. | Weight |
| B. | Mass |
| C. | Inertia |
| D. | Momentum |
| Answer» D. Momentum | |
| 356. |
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to |
| A. | A |
| B. | A/2 |
| C. | A/v2 |
| D. | A/v2 |
| Answer» D. A/v2 | |
| 357. |
The shape of a suspended cable under its own weight, is |
| A. | Parabolic |
| B. | Circular |
| C. | Catenary |
| D. | Elliptical |
| Answer» D. Elliptical | |
| 358. |
The tension in a cable supporting a lift |
| A. | Is more when the lift is moving downwards |
| B. | Is less when the lift is moving upwards |
| C. | Remains constant whether its moves downwards or upwards |
| D. | Is less when the lift is moving downwards |
| Answer» E. | |
| 359. |
A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses |
| A. | Maximum kinetic energy and minimum potential energy |
| B. | Maximum kinetic energy and maximum potential energy |
| C. | Minimum kinetic energy and maximum potential energy |
| D. | Minimum kinetic, energy and minimum potential energy |
| Answer» B. Maximum kinetic energy and maximum potential energy | |
| 360. |
If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is |
| A. | Zero |
| B. | Maximum |
| C. | Minimum |
| D. | None of these |
| Answer» C. Minimum | |
| 361. |
In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics? |
| A. | Howe truss |
| B. | King post truss |
| C. | Fink truss |
| D. | Warren truss |
| Answer» D. Warren truss | |
| 362. |
The graphical method of determining the forces in the members of a truss is based on |
| A. | Method of joint |
| B. | Method of section |
| C. | Either method |
| D. | None of the two methods |
| Answer» B. Method of section | |
| 363. |
Free body diagram is an |
| A. | Isolated joint with only body forces acting on it |
| B. | Isolated joint with internal forces acting on it |
| C. | Isolated joint with all the forces, internal as well as external, acting on it |
| D. | None of the above |
| Answer» D. None of the above | |
| 364. |
A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a |
| A. | Parabola |
| B. | Catenary |
| C. | Cycloid |
| D. | Ellipse |
| Answer» B. Catenary | |
| 365. |
The time period of a simple pendulum depends on (i) Mass of suspended particle (ii) Length of the pendulum (iii) Acceleration due to gravity The correct answer is |
| A. | Only (i) |
| B. | Both (ii) and (iii) |
| C. | Both (i) and (iii) |
| D. | All are correct |
| Answer» C. Both (i) and (iii) | |
| 366. |
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are |
| A. | Straight line and parabola |
| B. | Straight line and circle |
| C. | Circle and straight line |
| D. | Circle and parabola |
| Answer» D. Circle and parabola | |
| 367. |
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? |
| A. | Sphere with greater rotational energy at bottom than cylinder |
| B. | Sphere with lesser rotational energy at bottom than cylinder |
| C. | Cylinder with greater rotational energy at bottom than sphere |
| D. | Both reach the bottom simultaneously with equal rotational energy at bottom |
| Answer» C. Cylinder with greater rotational energy at bottom than sphere | |
| 368. |
The maximum displacement of a particle executing S.H.M. corresponds to |
| A. | Zero potential energy and maximum kinetic energy |
| B. | Zero kinetic energy and maximum potential energy |
| C. | Maximum kinetic energy and maximum potential energy |
| D. | Minimum kinetic energy and minimum potential energy |
| Answer» C. Maximum kinetic energy and maximum potential energy | |
| 369. |
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if |
| A. | Floor is smooth and wall is rough |
| B. | Floor is rough and wall is smooth |
| C. | Both floor and wall are rough |
| D. | Both floor and wall are smooth |
| Answer» E. | |
| 370. |
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is |
| A. | 1/3 |
| B. | 2/3 |
| C. | 1/9 |
| D. | 8/9 |
| Answer» E. | |
| 371. |
The member forces in a statically in determinate truss |
| A. | Can be obtained by graphic statics |
| B. | Cannot be obtained by graphic statics |
| C. | May be obtained by graphic statics |
| D. | Can be obtained by graphic statics by trial and error |
| Answer» C. May be obtained by graphic statics | |
| 372. |
In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is |
| A. | 30 |
| B. | 50 |
| C. | 60 |
| D. | 80 |
| Answer» C. 60 | |
| 373. |
The following is in unstable equilibrium |
| A. | A uniform solid cone resting on a generator on a smooth horizontal plane |
| B. | A uniform solid cone resting on its base on a horizontal plane |
| C. | A solid cube resting on one edge |
| D. | A satellite encircling the earth |
| Answer» D. A satellite encircling the earth | |
| 374. |
Select the correct statement |
| A. | The body centrode rolls on the space centrode |
| B. | The space centrode rolls on the body centrode |
| C. | Both body and space centrodes may role on each other |
| D. | The body centrode never touches space centrode |
| Answer» B. The space centrode rolls on the body centrode | |