civil engineering MCQs – Page 21

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 Review each marked answer and report any item that may be outdated or unclear.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
401. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is_______________?
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A. 32 liters

B. 30 liters

C. 28 liters

D. 34 liters

402. Los Angeles testing machine is used to conduct______________?
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A. abrasion test

B. crushing strength test

C. impact test

D. attrition test

403. After fixing the plane table to the tripod, the main operations which are needed at each plane table station are ______________ ?
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A. correct sequence of these operations is

B. orientation

C. levelling

D. centering

404. The individual variation between test strength of sample should not be more than______________?
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A. 10% of average

B. 20% of average

C. 5% of average

D. 15% of average
405. Intersection method of detailed plotting is most suitable for________________?
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A. urban areas

B. hilly areas

C. plains

D. forests

406. When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is________________?
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A. prime coat

B. tack coat

C. seal coat

D. spray of emulsion

407. Which of the following is considered to be the highest quality construction in the group of black top pavements ?
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A. bituminous carpet

B. mastic asphalt

C. bituminous concrete

D. sheet asphalt

408. In the quadrantal bearing system, a whole circle bearing of 293 30? can be expressed as______________?
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A. N2330W

B. W2330N

C. N6630W

D. S11330N

409. The approximate value of the ratio between direct tensile strength and flexural strength is_____________?
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A. 0.33

B. 0.5

C. 0.75

D. 1

410. For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?
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A. dry rolling, wet rolling, application of screening and application of filler

B. dry rolling, application of filler, wet rolling and application of screening

C. dry rolling, application of screening, application of filler and wet rolling

D. dry rolling, application of screening, wet rolling and application of filler
411. The most suitable equipment for compacting clayey soils is a_______________?
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A. smooth wheeled roller

B. sheep foot roller

C. pneumatic tyred roller

D. vibrator

412. The adjustment of horizontal cross hair is required particularly when the instrument is used for_____________?
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A. measurement of horizontal angles

B. prolonging a straight line

C. all of the above

D. leveling
413. Diagonal tension in a beam______________?
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A. increases below the neutral axis and decreases above the neutral axis

B. remains same

C. is maximum at neutral axis

D. decreases below the neutral axis and increases above the neutral axis

414. Which of the following premix methods is used for base course ?
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A. sheet asphalt

B. mastic asphalt

C. bituminous bound macadam

D. bituminous carpet

415. Select the incorrect statement?
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A. The true meridians converge to a point in northern and southern hemispheres

B. The true meridians at different places are parallel to each other

C. The true meridian at any place is not variable

D. The maps prepared by national survey departments of any country are based on true meridians

416. If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?
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A. 50

B. 25 m

C. 75 m

D. 7.5 m

417. The factor of safety for______________?
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A. none of the above

B. steel is higher than that for concrete

C. steel and concrete are same

D. steel is lower than that for concrete
418. The prismatic compass and surveyors compass________________?
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A. give whole circle bearing (WCB. of a line and quadrantal bearing (QB. of a line respectively

B. both give QB of a line and WCB of a line

C. both give QB of a line

D. both give WCB of a line

419. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?
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A. 10%

B. 1%

C. 0.10%

D. no compensation
420. The horizontal angle between the true meridian and magnetic meridian at a place is called______________?
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A. magnetic bearing

B. local attraction

C. declination

D. azimuth