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Civil Engineering :: Surveying

  1. The smaller horizontal angle between the true meridian and a survey line, is known

  2. A.

    declination

    B.

    bearing

    C.

    azimuth

    D.
    dip.

  3. The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as

  4. A.

    traverse leg

    B.
    a base
    C.

    traverse base

    D.

    all the above.


  5.  

    For locating a distant object visible from two transit stations, the method usually preferred to, is

  6. A.

    Angles and distances from transit stations

    B.

    Angles from two transit stations

    C.

    distance from two transit stations

    D.

    Angle from one transit station and distance from the other.


  7. Accidental or compensating errors of length L are proportional to

  8. A.

    L

    B.

    \(\sqrt{L}\)

    C.

    \(3\sqrt{L}\)

    D.

    \(1/\sqrt{L}\)


  9.  

    Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying

  10. A.

    the constants by sin2 θ

    B.

    the constants by cos2 θ

    C.

    the constants by cos θ

    D.

    the constants by sin θ

    E.

    the multiplying constant by cos2 θ and additive constant by cos θ.


  11. Number of subdivisions per metre length of a levelling staff is

  12. A.
    100
    B.

    200

    C.

    500

    D.

    1000


  13. A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is


  14. Pick up the correct statement from the following :

  15. A.

    the diaphragm is placed between eyepiece and the objective but nearer to the former

    B.

    the diaphragm is placed between the eyepiece and objective but nearer to the later

    C.

    the outer component of the objective is a double-convex lens of crown glass

    D.

    the inner component of the objective is a flint glass, convexo-concave

    E.

    all the above.


  16. Prolongation of chain line across an obstruction in chain surveying, is done by

  17. A.

    making angular measurements

    B.

    drawing perpendiculars with a chain

    C.

    solution of triangles

    D.

    all the above.


  18. Check lines (or proof lines) in Chain Surveying, are essentially required

  19. A.

    to plot the chain lines

    B.

    to plot the offsets

    C.

    to indicate the accuracy of the survey work

    D.

    to increase the out-turn