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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 5301. |
The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is |
| A. | 28.8 secs |
| B. | 41.25 secs |
| C. | 14.52 secs |
| D. | 25.05 |
| E. | none of these |
| Answer» C. 14.52 secs | |
| 5302. |
The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is |
| A. | 502.685 m |
| B. | 501.345 m |
| C. | 501.340 m |
| D. | 504.030 m |
| E. | 502.585 m. |
| Answer» D. 504.030 m | |
| 5303. |
It is more difficult to obtain good results while measuringhorizontal distance by stepping |
| A. | up-hill |
| B. | down-hill |
| C. | in low undulations |
| D. | in plane areas. |
| Answer» B. down-hill | |
| 5304. |
If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping |
| A. | it is possible to set offsets correctly on east side |
| B. | it is possible to set offsets correctly on east side |
| C. | it is not possible to set offsets correctly on west side |
| D. | it is possible to set offsets correctly on both sides. |
| Answer» E. | |
| 5305. |
Planimeter is used for measuring |
| A. | volume |
| B. | area |
| C. | contour gradient |
| D. | slope angle |
| E. | none of these |
| Answer» C. contour gradient | |
| 5306. |
In a perfect prismatic compass |
| A. | magnetic axis and geometric axis of the needle coincide |
| B. | ends of the needle and pivot are in same vertical and horizontal planes |
| C. | pivot is vertically over the centre of the graduated circle |
| D. | needle is always kept sensitive |
| E. | all the above. |
| Answer» F. | |
| 5307. |
The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as |
| A. | chromatic aberration |
| B. | spherical aberration |
| C. | astigmatism |
| D. | coma. |
| Answer» B. spherical aberration | |
| 5308. |
The bearing of lines OA and OB are 16 10' and 332 18', the value of the included angle BOA is |
| A. | 316 10' |
| B. | 158 28' |
| C. | 348 08' |
| D. | 43 52' |
| Answer» E. | |
| 5309. |
The properties of autogenous curve for automobiles are given by |
| A. | true spiral |
| B. | cubic parabola |
| C. | Bernoulli's Lemniscate |
| D. | clothoid spiral. |
| Answer» D. clothoid spiral. | |
| 5310. |
Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is |
| A. | 104.0 m |
| B. | 104.5 m |
| C. | 105.0 m |
| D. | 105.5 m |
| Answer» C. 105.0 m | |
| 5311. |
The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is |
| A. | 3.290 m |
| B. | 3.300 m |
| C. | 3.275 m |
| D. | 2.790 m |
| Answer» C. 3.275 m | |
| 5312. |
If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to |
| A. | <img src="/_files/images/civil-engineering/surveying/76-3.350-1.png"> |
| B. | <img src="/_files/images/civil-engineering/surveying/76-3.350-2.png"> |
| C. | <img src="/_files/images/civil-engineering/surveying/76-3.350-3.png"> |
| D. | <img src="/_files/images/civil-engineering/surveying/76-3.350-4.png"> |
| E. | . |
| Answer» D. <img src="/_files/images/civil-engineering/surveying/76-3.350-4.png"> | |
| 5313. |
In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is |
| A. | 5.24 cm |
| B. | 6.24 cm |
| C. | 7.24 cm |
| D. | 8.24 cm |
| Answer» D. 8.24 cm | |
| 5314. |
The constant vertical distance between two adjacent contours, is called |
| A. | horizontal interval |
| B. | horizontal equivalent |
| C. | vertical equivalent |
| D. | contour interval |
| E. | contour gradient. |
| Answer» E. contour gradient. | |
| 5315. |
Resolving power of a telescope depends on |
| A. | the diameter of the aperture |
| B. | the pupil aperture of the eye |
| C. | the diameter of the object glass |
| D. | all the above. |
| Answer» E. | |
| 5316. |
The method generally preferred to for contouring an undulating area, is |
| A. | chain surveying |
| B. | plane table surveying |
| C. | tacheometrical surveying |
| D. | compass surveying. |
| Answer» D. compass surveying. | |
| 5317. |
A lens or combination of lenses in which the following defect is completely eliminated is called aplanatic |
| A. | spherical aberration |
| B. | chromatic aberration |
| C. | coma |
| D. | astigmatism. |
| Answer» B. chromatic aberration | |
| 5318. |
While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station. If the scale of the plan is 1 cm = 2 cm, the displacement of the end of the ray in plan from the true position will be |
| A. | 0.02 cm |
| B. | 0.15 cm |
| C. | 02 cm |
| D. | 0.1 cm |
| Answer» C. 02 cm | |
| 5319. |
If the declination of the needle is 10 W |
| A. | each of the whole circle reckoning has to be micros by 10 |
| B. | in the quadrantal method, the correction is positive in the 1st and 3rd quadrants |
| C. | in the quadrantal method, the corrections is negative in 2nd and 4th quadrants |
| D. | all the above. |
| Answer» E. | |
| 5320. |
A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is |
| A. | 0.015 m |
| B. | 0.030 m |
| C. | 0.045 m |
| D. | 0.060 m |
| Answer» E. | |
| 5321. |
For taking offsets with an optical square on the right hand side of the chain line, it is held |
| A. | by right hand upside down |
| B. | by left hand upright |
| C. | by right hand upright |
| D. | by left hand up side down. |
| Answer» C. by right hand upright | |
| 5322. |
If F is the pull applied at the ends of tape in kg, l is the length of tape between end marks in metres, w is the weight of the tape in kg per metre run, then sag correction |
| A. | <img src="/_files/images/civil-engineering/surveying/76-3.347-1.png"> |
| B. | <img src="/_files/images/civil-engineering/surveying/76-3.347-2.png"> |
| C. | <img src="/_files/images/civil-engineering/surveying/76-3.347-3.png"> |
| D. | <img src="/_files/images/civil-engineering/surveying/76-3.347-4.png"> |
| E. | . |
| Answer» B. <img src="/_files/images/civil-engineering/surveying/76-3.347-2.png"> | |
| 5323. |
The theodolites used for making tacheometric observations by optical wedge system, are |
| A. | provided with stadia hairs in front of eye piece |
| B. | not provided with stadia hairs at all |
| C. | fitted with a glass wedge inside the telescope |
| D. | fitted with a glass wedge in front of telescope. |
| Answer» E. | |
| 5324. |
If is the angle of deflection of a simple curve of radius R, the distance between the mid-point of the curve and long chord, is |
| A. | <img src="/_files/images/civil-engineering/surveying/63-3.188-1.png"> |
| B. | <img src="/_files/images/civil-engineering/surveying/63-3.188-2.png"> |
| C. | <img src="/_files/images/civil-engineering/surveying/63-3.188-3.png"> |
| D. | <img src="/_files/images/civil-engineering/surveying/63-3.188-4.png"> |
| E. | . |
| Answer» E. . | |
| 5325. |
The correction to be applied to each 30 metre chain length along slope, is |
| A. | 30 (sec - 1) m |
| B. | 30 (sin - 1) m |
| C. | 30 (cos - 1) m |
| D. | 30 (tan - 1) m |
| E. | 30 (cot - 1) m. |
| Answer» B. 30 (sin - 1) m | |
| 5326. |
If the whole circle bearing of a line is 270 , its reduced bearing is |
| A. | N 90 W |
| B. | S 90 W |
| C. | W 90 |
| D. | 90 W. |
| Answer» D. 90 W. | |
| 5327. |
Straight, parallel and widely spaced contours represent |
| A. | a steep surface |
| B. | a flat surface |
| C. | an inclined plane surface |
| D. | curved surface. |
| Answer» D. curved surface. | |
| 5328. |
In case of a double line river, contours are |
| A. | stopped at the banks of the river |
| B. | stopped at the edge of the river |
| C. | drawn across the water |
| D. | drawn by parabolic curves having their vertex at the centre of the water. |
| Answer» C. drawn across the water | |
| 5329. |
Permanent adjustments of a level are |
| A. | 2 in number |
| B. | 3 in number |
| C. | 4 in number |
| D. | 6 in number |
| Answer» B. 3 in number | |
| 5330. |
Two particles have been projected at angles 64 and 45 to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is |
| A. | 9.3 m/sec |
| B. | 8.3 m/sec |
| C. | 7.3 m/sec |
| D. | 6.3 m/sec. |
| Answer» B. 8.3 m/sec | |
| 5331. |
is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is |
| A. | |
| B. | 2 |
| C. | 3 |
| D. | <img src="/_files/images/civil-engineering/applied-mechanics/56-3.94-2.png"> |
| E. | . |
| Answer» C. 3 | |
| 5332. |
The radius of a simple circular curve is 300 m and length of its specified chord is 30 m. The degree of the curve is |
| A. | 5.73 |
| B. | 5.37 |
| C. | 3.57 |
| D. | 3.75 . |
| Answer» B. 5.37 | |
| 5333. |
Newtons's Law of Motion is : |
| A. | Every body 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. | |
| 5334. |
The member which does not carry zero force in the structure shown in below figure, is |
| A. | <i>ED</i> |
| B. | <i>DC</i> |
| C. | <i>BC</i> |
| D. | <i>BD</i> |
| E. | . |
| Answer» E. . | |
| 5335. |
The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| E. | 4.5 |
| Answer» E. 4.5 | |
| 5336. |
A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is, |
| A. | 5 N |
| B. | 10 N |
| C. | 15 N |
| D. | 25 N |
| E. | None of these. |
| Answer» E. None of these. | |
| 5337. |
The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is |
| A. | 1/4 |
| B. | 1/2 |
| C. | 3/4 |
| D. | 2. |
| Answer» B. 1/2 | |
| 5338. |
The apparent weight of a man in a moving lift is less than his real weight when it is going down with |
| A. | uniform speed |
| B. | an acceleration |
| C. | linear momentum |
| D. | retardation. |
| Answer» C. linear momentum | |
| 5339. |
P is the force acting on a body whose mass is m and acceleration is f. The equation P - mf = 0, is known as |
| A. | equation of dynamics |
| B. | equation of dynamic equilibrium |
| C. | equation of statics |
| D. | none of these. |
| Answer» B. equation of dynamic equilibrium | |
| 5340. |
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to |
| A. | 7 kg |
| B. | 1 kg |
| C. | 5 kg |
| D. | 1/7 kg |
| E. | none of these. |
| Answer» D. 1/7 kg | |
| 5341. |
The c.g. of the shaded area of the below figure from the x-axis is |
| A. | <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-1.png"> |
| B. | <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-2.png"> |
| C. | <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-3.png"> |
| D. | <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-4.png"> |
| E. | <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/applied-mechanics/116-5.228-4.png"> | |
| 5342. |
Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30 and 45 respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is |
| A. | 350 m |
| B. | 375 m |
| C. | 400 m |
| D. | 425 m. |
| Answer» E. | |
| 5343. |
The acceleration of a train starting from rest at any instant is where V is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of |
| A. | 2000 m |
| B. | 2100 m |
| C. | 2200 m |
| D. | 2300 m |
| E. | 2500 m. |
| Answer» E. 2500 m. | |
| 5344. |
During levelling if back sight is more than foresight |
| A. | The forward staff is at lower point |
| B. | The back staff is at lower point |
| C. | The difference in level, cannot be ascertained. |
| D. | none of these. |
| Answer» C. The difference in level, cannot be ascertained. | |
| 5345. |
Two contour lines, having the same elevation |
| A. | cannot cross each other |
| B. | can cross each other |
| C. | cannot unite together |
| D. | can unite together. |
| Answer» E. | |
| 5346. |
The necessary condition of equilibrium of a body, is : |
| A. | algebraic sum of horizontal components of all the forces must be zero |
| B. | algebraic sum of vertical components of all the forces must be zero |
| C. | algebraic sum of the moments of the forces about a point must be zero |
| D. | all (a), (b) and (c). |
| Answer» E. | |
| 5347. |
If G is the Gauge of track, v is velocity of the moving vehicle, g is the acceleration due to gravity and r is the radius of a circular path, the required superelevation is |
| A. | <img src="/_files/images/civil-engineering/applied-mechanics/109-5.123-1.png"> |
| B. | <img src="/_files/images/civil-engineering/applied-mechanics/109-5.123-2.png"> |
| C. | <img src="/_files/images/civil-engineering/applied-mechanics/109-5.123-3.png"> |
| D. | <img src="/_files/images/civil-engineering/applied-mechanics/109-5.123-4.png"> |
| Answer» E. | |
| 5348. |
The motion of a particle is described by the relation x = t2- 10t + 30, where x is in metres and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be |
| A. | zero |
| B. | 30 m |
| C. | 50 m |
| D. | 60 m |
| E. | none of these. |
| Answer» B. 30 m | |
| 5349. |
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 | |
| 5350. |
A square hole is made in a circular lamina, the diagonal of the square is equal to the radius of the circleas shown in below figure the shift in the centre of gravity is |
| A. | <img src="/_files/images/civil-engineering/applied-mechanics/121-5.288-1.png"> |
| B. | <img src="/_files/images/civil-engineering/applied-mechanics/121-5.288-2.png"> |
| C. | <img src="/_files/images/civil-engineering/applied-mechanics/121-5.288-3.png"> |
| D. | <img src="/_files/images/civil-engineering/applied-mechanics/121-5.288-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.288-2.png"> | |