civil engineering MCQs – Page 19

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 Review each marked answer and report any item that may be outdated or unclear.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

361. The camber of shoulders in water bound macadam roads is________________?
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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______________?
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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________________?
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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________________?
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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________________?
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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______________?
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A. yellow

B. white

C. green

D. red

367. The most commonly used admixture which prolongs the setting and hardening time is_______________?
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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_____________?
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A. 1 in 1000

B. 1 in 500

C. 1 in 250

D. 1 in 100

369. Dumpy level is most suitable when______________?
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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 ?
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A. home interview method

B. return postcard method

C. license plate method

D. road side interview method

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_______________?
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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_______________?
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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_________________?
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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______________?
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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_____________?
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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________________?
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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________________?
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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_______________?
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A. 64m

B. 60m

C. 80m

D. zero

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

B. square method

C. cross-sections method

D. direct method

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