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Civil Engineering :: Advanced Surveying

  1. Sidereal day

  2. A.
    is the period of time taken by the earth in making a complete rotation with reference to stars
    B.
    is slightly shorter than an ordinary solar day
    C.
    is divided into the conventional hours, minutes and seconds
    D.
    all the above.

  3. Pick up the correct statement for horizontal photographs.

  4. A.
    Parallel lines do not appear parallel in central projection
    B.
    The two sides of a road meet at the vanishing point
    C.
    The lines parallel to the negative plane are projected as parallel lines
    D.
    All the above.

  5. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is

  6. A.
    30°
    B.
    35°
    C.
    40°
    D.
    45°.

  7. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as

  8. A.
    principal point
    B.
    isocentre
    C.
    plumb point
    D.
    perspective centre.

  9. In a truly vertical photograph,

  10. A.
    principal point coincides the isocentre
    B.
    iso-centre coincides the plumb point
    C.
    plumb point coincides the principal point
    D.
    principal point, iso-centre and plumb point coincide
    E.
    all the above.

  11. 23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

  12. A.
    1 m
    B.
    2 m
    C.
    3 m
    D.
    4 m
    E.
    5 m.

  13. For a spherical triangle ABC, pick up incorrect statement

  14. A.
    B.
    C.
    D.
    E.
    none of these.

  15. A plate parallel is the line on the plane of the negative

  16. A.
    parallel to the principal line
    B.
    perpendicular to the principal line
    C.
    along the bisector of the angle between the principal line and a perpendicular line through principal plane
    D.
    none of these.

  17. The great circle which passes through the zenith, nadir and the poles, is known as

  18. A.
    meridian
    B.
    vertical circle
    C.
    prime vertical
    D.
    none of these.

  19. In triangulation surveys

  20. A.
    the area is divided into triangular figures
    B.
    control stations are located from which detailed surveys are carried out
    C.
    sides are not measured excepting the base line
    D.
    angular measurements are only resorted to
    E.
    all the above.