MCQOPTIONS
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MCQOPTIONS
This section includes 314 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. |
The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is$? |
| A. | Less than 1 |
| B. | Equal to 1 |
| C. | Between 1 and 2 |
| D. | Greater than 2 |
| Answer» B. Equal to 1 | |
| 202. |
A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is$? |
| A. | W sec θ |
| B. | W cos θ |
| C. | W sin θ |
| D. | W cosec θ |
| Answer» B. W cos ≈í‚àè | |
| 203. |
Total no of instantaneous centers of a machine having ‘n’ links, is$? |
| A. | n/2 |
| B. | n |
| C. | (n - 1) |
| D. | n (n - 1)/2 |
| Answer» E. | |
| 204. |
If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along$? |
| A. | The same line in the same sense |
| B. | The same line in opposite sense |
| C. | The perpendicular to both the lines |
| D. | None of these |
| Answer» C. The perpendicular to both the lines | |
| 205. |
Newton’s Law of Motion is:$? |
| A. | Everybody continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external force |
| B. | The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts |
| C. | To every action, there is always an equal and opposite reaction |
| D. | All the above |
| Answer» E. | |
| 206. |
A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is$? |
| A. | 0.5 m |
| B. | 0.75 m |
| C. | 1.0 m |
| D. | 1.5 m |
| Answer» C. 1.0 m | |
| 207. |
If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is$? |
| A. | u² cos² α/2g |
| B. | u² sin² α/2g |
| C. | u² tan² α/2g |
| D. | u² sin 2α/2g |
| Answer» C. u¬¨‚⧠tan¬¨‚⧠≈í¬±/2g | |
| 208. |
A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?$? |
| A. | 1 |
| B. | 100 |
| C. | 1/100 |
| D. | 1/10000 |
| Answer» B. 100 | |
| 209. |
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of$? |
| A. | 8.04 km/sec at a height of 285 km |
| B. | 11.11 km/sec at a height of 37,400 km |
| C. | 11.26 km/sec, the satellite escapes the pull of the earth |
| D. | All the above |
| Answer» E. | |
| 210. |
A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be$? |
| A. | 0.5 m/sec |
| B. | 1.5 m/sec |
| C. | 2.5 m/sec |
| D. | 3.5 m/sec |
| Answer» D. 3.5 m/sec | |
| 211. |
The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin$? |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (i) and (iii) |
| D. | All (i), (ii) and (iii) |
| Answer» E. | |
| 212. |
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is$? |
| A. | 16 m/sec |
| B. | 18 m/sec |
| C. | 20 m/sec |
| D. | 22 m/sec |
| Answer» D. 22 m/sec | |
| 213. |
Impulse can be obtained from a$? |
| A. | Force-displacement diagram |
| B. | Force-time diagram |
| C. | Velocity-time diagram |
| D. | Velocity-displacement diagram |
| Answer» C. Velocity-time diagram | |
| 214. |
The product of mass and velocity of a moving a body, is called$? |
| A. | Moment |
| B. | Momentum |
| C. | Power |
| D. | Impulse |
| Answer» C. Power | |
| 215. |
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is$? |
| A. | 0.5 m/sec² |
| B. | 0.75 m/sec² |
| C. | 1.00 m/sec² |
| D. | 1.25 m/sec² |
| Answer» D. 1.25 m/sec¬¨‚⧠| |
| 216. |
The phenomenon of collision of two elastic bodies takes place because bodies$? |
| A. | Immediately after collision come momentarily to rest |
| B. | Tend to compress each other till they are compressed maximum possible |
| C. | Attempt to regain its original shape due to their elasticities |
| D. | All the above |
| Answer» E. | |
| 217. |
The total time of collision and restitution of two bodies, is called$? |
| A. | Time of collision |
| B. | Period of collision |
| C. | Period of impact |
| D. | All the above |
| Answer» E. | |
| 218. |
At the instantaneous center, the velocity of the moving lamina at any instant is$? |
| A. | Zero |
| B. | Maximum |
| C. | Minimum |
| D. | Varying |
| Answer» B. Maximum | |
| 219. |
A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is$? |
| A. | 40 sec |
| B. | 30 sec |
| C. | 20 sec |
| D. | 15 sec |
| Answer» D. 15 sec | |
| 220. |
If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be$? |
| A. | r/v² |
| B. | v²/r |
| C. | r/ω² |
| D. | ω²/r |
| Answer» C. r/≈ì√¢¬¨‚⧠| |
| 221. |
The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,$? |
| A. | P = R |
| B. | Q = R |
| C. | P = Q |
| D. | None of the above is correct |
| Answer» C. P = Q | |
| 222. |
The force acting on a point on the surface of a rigid body may be considered to act$? |
| A. | At the centre of gravity of the body |
| B. | On the periphery of the body |
| C. | On any point on the line of action of the force |
| D. | At any point on the surface normal to the line of action of the force |
| Answer» D. At any point on the surface normal to the line of action of the force | |
| 223. |
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by$? |
| A. | T = g(M1 - M2)/(M1 + M2) |
| B. | T = g(M1 + M2)/(M1 √ó M2) |
| C. | T = g(M2 - M1)/(M1 + M2) |
| D. | T = g(M2 + M1)/(M2 - M1) |
| Answer» B. T = g(M1 + M2)/(M1 ‚àö√≥ M2) | |
| 224. |
If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be$? |
| A. | P cos θ/2 |
| B. | 2P sin θ/2 |
| C. | P tan θ/2 |
| D. | 2P cos θ/2 |
| Answer» E. | |
| 225. |
In a simple harmonic motion, the position of equilibrium is always$? |
| A. | Stable |
| B. | Unstable |
| C. | Neutral |
| D. | None of the above |
| Answer» B. Unstable | |
| 226. |
If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is$? |
| A. | —rad/sec 10 |
| B. | —rad/sec 20 |
| C. | —rad/sec 30 |
| D. | none of the above |
| Answer» D. none of the above | |
| 227. |
A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is$? |
| A. | 0° |
| B. | 30° |
| C. | 45° |
| D. | 90° |
| Answer» D. 90¬¨‚àû | |
| 228. |
A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called? |
| A. | Simple pendulum |
| B. | Compound pendulum |
| C. | Second's pendulum |
| D. | None of these |
| Answer» C. Second's pendulum | |
| 229. |
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is? |
| A. | 2/3 |
| B. | 1/5 |
| C. | 3/5 |
| D. | 1/3 |
| Answer» C. 3/5 | |
| 230. |
The shape of a suspended cable under its own weight, is? |
| A. | Parabolic |
| B. | Circular |
| C. | Catenary |
| D. | Elliptical |
| Answer» D. Elliptical | |
| 231. |
The practical units of work, is? |
| A. | Erg |
| B. | Joule |
| C. | Newton |
| D. | Dyne |
| Answer» C. Newton | |
| 232. |
The angle of projection at which the horizontal range and maximum height of a projectile are equal to? |
| A. | 36° |
| B. | 45° |
| C. | 56° |
| D. | 76° |
| Answer» E. | |
| 233. |
Which of the following represents the state of neutral equilibrium?? |
| A. | A cube resting on one edge |
| B. | A smooth cylinder lying on a curved surface |
| C. | A smooth cylinder lying on a convex surface |
| D. | None of the above |
| Answer» E. | |
| 234. |
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 | |
| 235. |
The centre of gravity of a homogeneous body is the point at which the whole? |
| A. | Volume of the body is assumed to be concentrated |
| B. | Area of the surface of the body is assumed to be concentrated |
| C. | Weight of the body is assumed to be concentrated |
| D. | All the above |
| Answer» D. All the above | |
| 236. |
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 | |
| 237. |
The dimensions of centrifugal force are? |
| A. | M1 L2 T2 |
| B. | M’L’T1 |
| C. | M’L’T2 |
| D. | M’L-‘T2 |
| Answer» D. M‚Äö√Ñ√¥L-‚Äö√Ñ√≤T2 | |
| 238. |
The velocity of a body fallen from height ‘h’, on reaching the ground is given by? |
| A. | v = 2gh |
| B. | v = 2gh² |
| C. | v = ‚à ö(2gh) |
| D. | v = 1/‚à ö(2gh) |
| Answer» D. v = 1/‚Äö√ √∂(2gh) | |
| 239. |
The bending moment in an arch is proportional to? |
| A. | Vertical ordinate of funicular polygon |
| B. | Vertical ordinate of the arch |
| C. | Intercept between the arch axis and the funicular polygon |
| D. | None of these |
| Answer» D. None of these | |
| 240. |
If a set of given forces are such that their free vectors build a closed polygon, then? |
| A. | The resultant force and resultant couple are always zero |
| B. | The resultant force is zero but resultant couple is not zero |
| C. | The resultant force is zero but resultant couple may not be zero |
| D. | The resultant force and resultant couple both may not be zero |
| Answer» D. The resultant force and resultant couple both may not be zero | |
| 241. |
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 | |
| 242. |
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 | |
| 243. |
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if? |
| A. | Floor is smooth and the wall is rough |
| B. | Floor is rough and the wall is smooth |
| C. | Floor and wall both are smooth surfaces |
| D. | Floor and wall both are rough surfaces |
| Answer» D. Floor and wall both are rough surfaces | |
| 244. |
A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is? |
| A. | 3/4 |
| B. | 4/5 |
| C. | 5/3 |
| D. | 3/5 |
| Answer» E. | |
| 245. |
The ratio of the reactions RA and RB of a simply supported beam shown in below figure is? |
| A. | 0.50 |
| B. | 0.40 |
| C. | 0.67 |
| D. | 1.00 |
| Answer» E. | |
| 246. |
The load shared by the member BC of the structure shown in below figure is? |
| A. | 23 t |
| B. | 32 t |
| C. | 4 t |
| D. | 3 t |
| Answer» D. 3 t | |
| 247. |
If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is? |
| A. | 8° |
| B. | 9° |
| C. | 10° |
| D. | 11° |
| Answer» D. 11¬¨‚àû | |
| 248. |
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)? |
| A. | 15 m/sec |
| B. | 25 m/sec |
| C. | 40 m/sec |
| D. | 50 m/sec |
| Answer» C. 40 m/sec | |
| 249. |
If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is$ |
| A. | 1 rad/sec² |
| B. | 4 rad/sec² |
| C. | 6 rad/sec² |
| D. | 12 rad/sec² |
| Answer» D. 12 rad/sec¬¨‚⧠| |
| 250. |
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are |
| A. | 1346.3 kN and 1500 kN |
| B. | 1436.2 kN and 1250 kN |
| C. | 1346.3 kN and 1250 kN |
| D. | 1436.2 kN and 1500 kN |
| Answer» D. 1436.2 kN and 1500 kN | |