civil engineering Mcqs
301. The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called_________________?
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A. resection

B. traversing

C. intersection

D. radiation

302. The correction for sag is_________________?
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A. sometimes additive and sometimes subtractive

B. always zero

C. always additive

D. always subtractive
303. Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ?
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A. intersection

B. traversing

C. radiation

D. resection

304. Tyre pressure influences the______________?
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A. total depth of pavement

B. quality of surface course

C. both the above

D. none of the above

305. If the true bearing of a line AB is 269 30?, then the azimuth of the line AB is_____________?
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A. 89 30?

B. 269 30?

C. 90 30?

D. 0 30?

306. Bowditch rule is applied to_________________?
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A. none of the above

B. an open traverse for graphical adjustment

C. a closed traverse for adjustment of closing error

D. determine the effect of local attraction

307. The rise and fall method of levelling provides a complete check on_______________?
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A. foresight

B. all of the above

C. intermediate sight

D. backsight

308. The most economical lighting layout which is suitable for narrow roads is_______________?
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A. none of the above

B. central lighting system

C. single side lighting

D. staggered system

309. The most efficient traffic signal system is________________?
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A. simultaneous system

B. simple progressive system

C. alternate system

D. flexible progressive system
310. The critical combination of stresses for corner region in cement concrete roads is____________?
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A. load stress + warping stress + frictional stress

B. load stress + warping stress

C. load stress + warping stress frictional stress

D. load stress + frictional stress

311. The maximum thickness of expansion joint in rigid pavements is______________?
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A. 100 mm

B. 50 mm

C. 0

D. 25 mm
312. Length of a vehicle affects________________?
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A. extra width of pavement and minimum turning radius

B. clearance to be provided under structures such as overbridges, under-bridges etc

C. width of shoulders and parking facilities

D. width of traffic lanes

313. For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be________________?
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A. above 0.92

B. 0.80-0.85

C. 0.85 0.92

D. 0.75-0.80

314. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to_________________?
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A. correct answer is?

B. altitude bubble on telescope

C. altitude bubble on index frame if it is to be used as a level

D. altitude bubble on index frame

E. altitude bubble on telescope if it is to be used as a level

315. Percentage of free carbon in bitumen is______________?
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A. none of the above

B. more than that in tar

C. equal to that in tar

D. less than that in tar
316. Desire lines are plotted in_________________?
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A. traffic volume studies

B. origin and destination studies

C. speed studies

D. accident studies

317. On a right angled road intersection with two way traffic, the total number of conflict points is______________?
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A. 18

B. 11

C. 6

D. 24
318. Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations ?
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A. measuring angle and distance from one transit station

B. measuring angle at one station and distance from other

C. measuring distance from two points on traverse line

D. measuring angles to the point from at least two stations
319. Different grades are joined together by a ________________?
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A. transition curve

B. vertical curve

C. compound curve

D. reverse curve

320. Tie bars in cement concrete pavements are at______________?
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A. warping joints

B. contraction joints

C. expansion joints

D. longitudinal joints
321. For accurate work, the steel band should always be used in preference to chain because the steel band______________?
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A. is lighter than chain

B. can be easily repaired in the field

C. is practically inextensible and is not liable to kinks when in use

D. is easier to handle

322. Which of the following errors can be neutralised by setting the level midway between the two stations ?
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A. error due to curvature only

B. error due to refraction only

C. error due to both curvature and re-fraction

D. none of the above

323. During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________?
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A. 120 m

B. 4 chains

C. 6 chains

D. 180m

324. Which of the following shapes is preferred in a valley curve ?
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A. cubic parabola

B. lemniscate

C. simple parabola

D. spiral

325. The number of horizontal cross wires in a stadia diaphragm is ________________?
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A. four

B. two

C. three

D. one

326. 1% of voids in a concrete mix would reduce its strength by about______________?
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A. 20%

B. 15%

C. 10%

D. 5%
327. As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be________________?
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A. 103.3

B. 102.3

C. 98.7

D. 100.00
328. For highway geometric design purposes the speed used is________________?
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A. 15th percentile

B. 98 percentile

C. 50 percentile

D. 85th percentile

329. Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?
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A. bituminous concrete

B. sheet asphalt

C. mastic asphalt

D. bituminous carpet

330. Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?
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A. error due to displacement of station signals

B. error due to inaccurate graduation

C. error due to eccentricity of verniers

D. error due to wrong adjustment of line of collimation and trunnion axis

331. The maximum design gradient for vertical profile of a road is______________?
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A. ruling gradient

B. minimum gradient

C. limiting gradient

D. exceptional gradient

332. Centre line markings are used_____________?
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A. to indicate that overtaking is not permitted

B. to designate traffic lanes

C. to designate proper lateral placement of vehicles before turning to different directions

D. in roadways meant for two way traffic
333. The maximum limit of water absorption for aggregate suitable for road construction is____________?
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A. 0.6%

B. 0.80%

C. 0.40%

D. 1.00%

334. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is______________?
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A. 3.5 m

B. 4.5 m

C. 4 m

D. 5 m

335. Contour interval is_______________?
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A. inversely proportional to the scale of the map

B. larger if the time available is more

C. directly proportional to the flatness of ground

D. larger for accurate works

336. Workability of concrete is directly proportional to________________?
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A. time of transit

B. aggregate cement ratio

C. grading of the aggregate

D. all of above

337. The maximum tolerance in a 20 m chain is_______________?
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A. 2 mm

B. 5 mm

C. 8 mm

D. 3 mm

338. For a line AB_______________?
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A. the forebearing of AB and back bearing of AB differ by 180

B. the forebearing of AB and back bearing of BA differ by 180

C. both (A. and (B. are correct.

D. none is correct

339. With the rise of temperature, the sensitivity of a bubble tube______________?
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A. remains unaffected

B. increases

C. decreases

D. none of the above

340. If a beam fails in bond, then its bond strength can be increased most economi-cally by___________?
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A. providing vertical stirrups

B. increasing the depth of beam

C. using thicker bars but less in number

D. using thinner bars but more in number
341. Which of the following is indicated by a warning sign ?
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A. level crossing

B. end of speed limit

C. overtaking prohibited

D. no parking

342. Refraction correction________________?
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A. partially eliminates curvature correction

B. completely eliminates curvature correction

C. adds to the curvature correction

D. has no effect on curvature correction

343. If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________?
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A. 0.6

B. 0.1

C. 1.33

D. 0.4
344. The process of turning the telescope about the vertical axis in horizontal plane is known as______________?
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A. swinging

B. transiting

C. plunging

D. reversing

345. Flexible pavement distribute the wheel load_____________?
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A. through structural action

B. directly to subgrade

C. none of the above

D. through a set of layers to the subgrade
346. In CBR test the value of CBR is calculated at_______________?
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A. 2.5 mm penetration only

B. 5.0 mm penetration only

C. 7.5 mm penetration only

D. both 2.5mm and 5.0 mm penetrations
347. RC-2, MC-2 and SC-2 correspond to_______________?
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A. viscosity in decreasing order from RC-2 to SC-2

B. none of the above

C. same viscosity

D. viscosity in increasing order from RC-2 to SC-2

348. As compared to ordinary portland cement, high alumina cement has______________?
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A. higher initial setting time but lower final setting time

B. lower initial and final setting times

C. lower initial setting time but higher final setting time

D. higher initial and final setting times

349. The thickness of bituminous carpet varies from__________________?
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A. 50 to 75 mm

B. 75 to 100 mm

C. 20 to 25 mm

D. 100 to 120 mm

350. The graduations in prismatic compass_____________?
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A. are upright
B. (1) and (3)
C. /strong> are inverted

D. (2) and (4)

E. (2) and (3)

F. run clockwise having 0 at north