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Civil Engineering :: Surveying

  1. Three point problem can be solved by

  2. A.

     Tracing paper method

    B.

     Bessels method

    C.

     Lehman’s method

    D.

     all of the above


  3. The zenith is the point on the celestial sphere

  4. A.

     East of observer

    B.

     West of observer

    C.

     North of observer

    D.

     South of observer


  5. The allowable length of an offset depends upon the

  6. A.

     degree of accuracy required

    B.

     method of setting out the perpendiculars and nature of ground

    C.

     scale of plotting

    D.

     all of the above


  7. The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

  8. A.

     Equator

    B.

     Terrestrial equator

    C.

     0° latitude

    D.

     All the above


  9. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called

  10. A.

     Rational horizon

    B.

     True horizon

    C.

     Celestial horizon

    D.

     All the above


  11. To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is

  12. A.

     4000 m

    B.

     5000 m

    C.

     6000 m

    D.

     7000 m


  13. The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is

  14. A.

     8,000 m

    B.

     10,000 m

    C.

     12,000 m

    D.

     14,000 m


  15. The correction for parallax, is

  16. A.

     - 8".8 cos α

    B.

     + .8" sin α

    C.

     + 8".8 cos α

    D.

     - 8".8 cos α


  17. The Polaris describes a small circle round the pole whose radius is approximately

  18. A.

     1°

    B.

     2°

    C.

     3°

    D.

     4°


  19. Sensitiveness of a level tube is designated by

  20. A.

     radius of level tube

    B.

     length of level tube

    C.

     length of bubble of level tube

    D.

     none of the above