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Home Civil Engineering Surveying Comments

  • Question
  • Hydrographic surveys deal with the mapping of


  • Options
  • A. large water bodies
  • B. heavenly bodies
  • C. mountaineous region
  • D. canal system
  • E. movement of clouds.

  • Correct Answer
  • large water bodies 


  • Surveying problems


    Search Results


    • 1. Closed contours of decreasing values towards their centre, represent

    • Options
    • A. a hill
    • B. a depression
    • C. a saddle or pass
    • D. a river bed.
    • Discuss
    • 2. The intercept of a staff

    • Options
    • A. is maximum if the staff is held truly normal to the line of sight.
    • B. is minimum if the staff is held truly normal to the line of sight.
    • C. decreases if the staff is tilted away from normal
    • D. increases if the staff is tilted towards normal.
    • Discuss
    • 3. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is

    • Options
    • A. 90°
    • B. 120°
    • C. 210°
    • D. 270°
    • Discuss
    • 4. Pick up the correct statement from the following :

    • Options
    • A. Box sextant is used for the measurement of horizontal angles
    • B. Cross staff is used for setting out right angles
    • C. Gradiometer is used for setting out any required gradient
    • D. Line ranger is used for locating intermediate stations on a survey line
    • E. All the above.
    • Discuss
    • 5. One of the Lehmann's rules of plane tabling, is

    • Options
    • A. location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances
    • B. when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray
    • C. when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays
    • D. none of these.
    • Discuss
    • 6. The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to

    • Options
    • A. the distance between the zero of gradient and the foot of the staff
    • B. twice the distance between the zero of graduation and the foot of the staff
    • C. thrice the distance between the zero of graduation and the foot of the staff
    • D. none of the above.
    • Discuss
    • 7. In chain surveying field work is limited to

    • Options
    • A. linear measurements only
    • B. angular measurements only
    • C. both linear and angular measurements
    • D. all the above.
    • Discuss
    • 8. Diopter is the power of a lens having a focal length of

    • Options
    • A. 25 cm
    • B. 50 cm
    • C. 75 cm
    • D. 100 cm
    • E. 125 cm
    • Discuss
    • 9. In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by

    • Options
    • A. adding 180°, if the given bearing is less than 180°
    • B. subtracting 180°, if the given bearing, is more than 180°
    • C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
    • D. none of these.
    • Discuss
    • 10. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

    • Options
    • A. R/10
    • B. R/15
    • C. R/20
    • D. R/25.
    • Discuss


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