civil engineering Mcqs
351. Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?
comments icon0

A. zero

B. greater than 1

C. less than 1

D. equal to 1

352. If the staff is not held vertical at a levelling station, the reduced level calculated from the observation would be_______________?
comments icon0

A. none of the above

B. true R.L

C. less than true R.L

D. more than true R.L

353. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by_________________?
comments icon0

A. 12kmph

B. 8 kmph

C. 20 kmph

D. 16kmph
354. The method of design of flexible pavement as recommended by IRC is____________?
comments icon0
A. CBR method

B. group index method

C. Westergaard method

D. Benkelman beam method

355. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167, the magnetic declination at that place is________________?
comments icon0
A. 13 E

B. 13 W

C. 23 S

D. 77 N

356. The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as_______________?
comments icon0

A. side drain

B. catchwater drain

C. sloping drain

D. cross drain

357. Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is_____________?
comments icon0

A. 2

B. 0.5

C. 1.0

D. 10

358. The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as________________?
comments icon0

A. lane lines

B. stop lines

C. crosswalk lines

D. turn markings

359. To determine the modulus of rupture, the size of test specimen used is_______________?
comments icon0
A. 150 x150 x700 mm

B. 100 x100 x700 mm

C. 150 x150 x500 mm

D. 100 x100 x500 mm

360. Overturning of vehicles on a curve can be avoided by using ________________?
comments icon0
A. transition curve

B. vertical curve

C. compound curve

D. reverse curve

361. The camber of shoulders in water bound macadam roads is________________?
comments icon0
A. equal to the cross slope of pavement

B. less than the cross slope of pavement

C. greater than the cross slope of pavement

D. zero

362. Alevel lineis a______________?
comments icon0
A. line parallel to the mean spheriodal surface of earth

B. line passing through the center of cross hairs and the center of eye piece

C. horizontal line

D. line passing through the objective lens and the eye-piece of a dumpy or tilting level

363. According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________?
comments icon0

A. 2 times the least lateral dimension

B. the least lateral dimension

C. 4 times the least lateral dimension

D. 3 times the least lateral dimension
364. The error due to eccentricity of inner and outer axes can be eliminated by________________?
comments icon0
A. reading both verniers and taking the mean of the two

B. taking both face observations and taking the mean of the two

C. double sighting

D. taking mean of several readings distributed over different portions of the graduated circle

365. If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called________________?
comments icon0

A. none of the above

B. over-reinforced beam

C. under-reinforced beam

D. balanced beam

366. The background colour of the informatory sign board is______________?
comments icon0
A. yellow

B. white

C. green

D. red

367. The most commonly used admixture which prolongs the setting and hardening time is_______________?
comments icon0

A. all of the above

B. sodium silicate

C. gypsum

D. calcium chloride

368. The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
comments icon0

A. 1 in 1000

B. 1 in 500

C. 1 in 250

D. 1 in 100

369. Dumpy level is most suitable when______________?
comments icon0

A. the instrument is to be shifted frequently

B. fly levelling is being done over long distance

C. many readings are to be taken from a single setting of the instrument

D. all of the above

370. Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?
comments icon0

A. home interview method

B. return postcard method

C. license plate method

D. road side interview method

371. The recommended grade of tar for grouting purpose is_______________?
comments icon0

A. RT-1

B. RT.3

C. RT-5

D. RT-2

372. In the double application of principle of reversion, the apparent error is_______________?
comments icon0
A. four times the true error

B. equal to true error

C. two times the true error

D. half the true error

373. Modulus of rupture of concrete is a measure of_______________?
comments icon0

A. direct tensile strength

B. compressive strength

C. split tensile strength

D. flexural tensile strength
374. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be_________________?
comments icon0

A. equal to the pressure on inner wheels

B. more than the pressure on inner wheels

C. less than the pressure on inner wheels

375. If the length of a chain is found to be short on testing, it can be adjusted by______________?
comments icon0

A. removing one or more small circular rings

B. all of the above

C. closing the joints of the rings if opened out

D. straightening the links
376. The cross hairs in the surveying telescope are placed_____________?
comments icon0

A. much closer to the objective lens than to the eye piece

B. midway between eye piece and objective lens

C. anywhere between eye-piece and objective lens

D. much closer to the eye-piece than to the objective lens
377. Transit rule of adjusting the consecutive coordinates of a traverse is used where________________?
comments icon0

A. all of the above

B. linear measurements are more accurate than angular measurements

C. angular measurements are more accurate than linear measurements

D. linear and angular measurements of the traverse are of equal accuracy

378. Cross staff is an instrument used for________________?
comments icon0

A. none of the above

B. setting out right angles

C. measuring approximate horizontal angles

D. measuring bearings of the lines

379. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be_______________?
comments icon0

A. 64m

B. 60m

C. 80m

D. zero

380. Which of the following methods of con-touring is most suitable for a hilly terrain ?
comments icon0
A. tacheometric method

B. square method

C. cross-sections method

D. direct method

381. The instrument used for accurate centering in plane table survey is________________?
comments icon0

A. spirit level

B. trough compass

C. plumbing fork

D. alidade

382. The function of an expansion joint in rigid pavements is to______________?
comments icon0
A. allow free expansion

B. relieve shrinkage stresses

C. resist stresses due to expansion

D. relieve warping stresses

383. Poissons ratio for concrete_______________?
comments icon0

A. decreases with richer mixes

B. none of the above

C. remains constant

D. increases with richer mixes
384. Local attraction in compass surveying may exist due to________________?
comments icon0

A. loss of magnetism of the needle

B. incorrect levelling of the magnetic needle

C. friction of the needle at the pivot

D. presence of magnetic substances near the instrument
385. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is______________?
comments icon0

A. 220 m

B. 110 m

C. 440 m

D. 577 m

386. When the width of kerb parking space and width of street are limited, generally preferred parking system is________________?
comments icon0

A. 45 angle parking

B. 65 angle parking

C. parallel parking

D. 90 angle parking

387. The size of a plane table is________________?
comments icon0

A. 450 mm x 600 mm

B. 750 mm x 900 mm

C. 600 mm x 750 mm

D. 300 mm x 450 mm

388. The entrance and exit curves of a rotary have_______________?
comments icon0

A. equal radii but pavement width is more at entrance than at exit curve

B. different radii and different widths of pavement

C. equal radii and equal widths of pavement

D. equal pavement widths but radius is more at entrance curve than at exit curve

389. Agate cap is fitted with a_________________?
comments icon0
A. prismatic compass

B. level

C. chain

D. cross staff

390. The camber for hill roads in case of bituminous surfacing is adopted as________________?
comments icon0

A. 3%

B. 2.5%

C. 2%

D. 4%

391. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is_________________?
comments icon0

A. 100.655m

B. 100.345 m

C. 99.345 m

D. 101.870m

392. The maximum spacing of contraction joints in rigid pavements is_____________?
comments icon0

A. 3.5 m

B. 4.5 m

C. 2.5 m

D. 5.5m

393. Admixtures which cause early setting, and hardening of concrete are called_______________?
comments icon0

A. workability admixtures

B. retarders

C. air entraining agents

D. accelerators
394. The fineness modulus of fine aggregate is in the range of______________?
comments icon0

A. 5.0 to 7.0

B. 6.0 to 8.5

C. 2.0 to 3.5

D. 3.5 to 5.0

395. Select the correct statement__________________?
comments icon0

A. Spot speed is the average speed of a vehicle at a specified section

B. Traffic volume should always be more than traffic capacity

C. Traffic capacity should always be more than traffic volume

D. 85th percentile speed is more than 98th percentile speed

396. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?
comments icon0

A. 3.8 NV2

B. 3.8 (NV3)2

C. 0.38 N V3/2

D. 0.38 (NV3)2
397. Which of the following represents hardest grade of bitumen ?
comments icon0
A. 30/40

B. 60/70

C. 80/100

D. 100/120

398. If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maximum capacity of a traffic lane at a speed of 10 m/sec is________________?
comments icon0

A. 2500 vehicles per hour

B. 1500 vehicles per hour

C. 2000 vehicles per hour

D. 3000 vehicles per hour

399. Which of the following angles can be set out with the help of French cross staff?
comments icon0

A. 90 only

B. any angle

C. 45 only

D. either 45 or 90
400. Theodolite is an instrument used for_________________?
comments icon0

A. tightening the capstan-headed nuts of level tube

B. measurement of horizontal angles only

C. measurement of vertical angles only

D. measurement of both horizontal and vertical angles