civil engineering MCQs – Page 169

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 Review each marked answer and report any item that may be outdated or unclear.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
3367. 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

3368. The graduations in prismatic compass_____________?
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A. correct answer is ?

B. (1) and (4)

C. (2) and (3)

D. (2) and (4)

E. (1) and (3)
F. /strong> are inverted
3369. Size of a theodolite is specified by________________?
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A. the diameter of lower plate

B. the diameter of upper plate

C. the diameter of vertical circle

D. the length of telescope

3370. Bowditch rule is applied to_________________?
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A. an open traverse for graphical adjustment

B. a closed traverse for adjustment of closing error

C. determine the effect of local attraction

D. none of the above

3372. Select the incorrect statement?
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A. The true meridian at any place is not variable

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

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

D. The true meridians converge to a point in northern and southern hemispheres

3375. 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 eccentricity of verniers

C. error due to inaccurate graduation

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

3376. The methods used for locating the plane table stations are_______________?
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A. radiation

B. correct answer is

C. traversing

D. ntersection

E. resection

3377. Which of the following errors cannot be eliminated by taking both face observations ?
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A. error due to horizontal axis not being perpendicular to the vertical axis

B. index error i.e. error due to imperfect adjustment of the vertical circle vernier

C. error due to non-parallelism of the axis of telescope level and line of collimation

D. none of the above
3378. Direct method of contouring is_________________?
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A. adopted for large surveys only

B. a quick method

C. suitable for hilly terrains

D. most accurate method
3379. 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

3380. The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________?
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A. closer to the lower station

B. as far as possible from the line AB

C. closer to the higher station

D. equidistant from A and B