civil engineering MCQs – Page 18

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs

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

351. Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?
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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_______________?
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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_________________?
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A. 12kmph

B. 8 kmph

C. 20 kmph

D. 16kmph

354. The method of design of flexible pavement as recommended by IRC is____________?
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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________________?
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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_______________?
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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_____________?
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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________________?
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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_______________?
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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 ________________?
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A. transition curve

B. vertical curve

C. compound curve

D. reverse curve

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