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Civil Engineering :: Surveying

  1. Limiting gradient for locating the base line on evenly-sloping ground, is

  2. A.

     1 in 12

    B.

     1 in 10

    C.

     1 in 8

    D.

     1 in 6


  3. According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of

  4. A.

     Tangents of two adjacent parts

    B.

     Sines of two adjacent parts

    C.

     Cosines of two adjacent parts

    D.

     Both (A) and (B) above


  5. Pick up the incorrect statement from the following:

  6. A.

     Latitudes north of the equator are taken as positive

    B.

     Latitudes south of the equator are taken as negative

    C.

     Longitudes east of Greenwich are taken as negative

    D.

     Longitudes west of Greenwich are taken as positive


  7. Pick up the correct statement from the following:

  8. A.

     North end of the polar axis is known as North Pole

    B.

     South end of the polar axis is known as South Pole

    C.

     Point where polar axis when produced northward intersects the celestial sphere, is known as north celestial pole

    D.

     All the above


  9. The value of geocentric parallax to be added to the observed altitude of sun is

  10. A.

     9" cos α

    B.

     9" sin α

    C.

     9" tan α

    D.

     9" cot α


  11. While making astronomical observations, the observer is mainly concerned with

  12. A.

     The direction of the vertical, the axis of rotation of the instrument

    B.

     The direction of the poles of the celestial sphere

    C.

     The direction of the star from the instrument

    D.

     All the above


  13. If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement

  14. A.

     i = v. t. H/f

    B.

     i = v. f/t. H

    C.

     i = v. t. (f/H)

    D.

     i = t. H/v. f


  15. An aerial photograph may be assumed as

  16. A.

     Parallel projection

    B.

     Orthogonal projection

    C.

     Central projection

    D.

     None of these


  17. G.M.T. corresponding to given mean time, equals

  18. A.

     L.M.T. - East longitude in time

    B.

     L.M.T. + East longitude in time

    C.

     L.M.T. - West longitude in time

    D.

     None of these


  19. There are two stations A and B. Which of the following statements is correct?

  20. A.

     The fore bearing of AB is AB

    B.

     The back bearing of AB is BA

    C.

     The fore and back bearings of AB differ by 180°

    D.

     All the above