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  • Question
  • The main object of the astronomer to obtain


  • Options
  • A. astronomical latitude
  • B. astronomical longitude
  • C. astronomical bearing
  • D. all of these.

  • Correct Answer
  • all of these. 


  • Advanced Surveying problems


    Search Results


    • 1. The flying height of the camera is 1, 000 m above mean ground level, the distance of the top of a Minar from a nadir point is 10 cm and the relief displacement of Minar is 7.2 mm. The height of the Minar, is

    • Options
    • A. 52 m
    • B. 62 m
    • C. 72 m
    • D. 82 m.
    • Discuss
    • 2. On vertical photographs, height displacement is

    • Options
    • A. positive for points above datum
    • B. negative for points below datum
    • C. zero for points vertically below the air station
    • D. all the above.
    • Discuss
    • 3. A star may culminate at zenith if its declination is

    • Options
    • A. greater than the longitude of the place
    • B. less than the latitude of the place
    • C. equal to the latitude of the place
    • D. none of these.
    • Discuss
    • 4. Rotation of the camera at exposure about its vertical axis, is known as

    • Options
    • A. swing
    • B. tilt
    • C. tip
    • D. none of these.
    • Discuss
    • 5. An aerial photograph may be assumed as

    • Options
    • A. parallel projection
    • B. orthogonal projection
    • C. central projection
    • D. none of these.
    • Discuss
    • 6. The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as

    • Options
    • A. ground principal point
    • B. ground plumb point
    • C. iso-centre
    • D. perspective centre.
    • Discuss
    • 7. Spring tides are caused when

    • Options
    • A. sun and moon are in line with earth
    • B. solar tidal force acts opposite to lunar tidal force
    • C. solar tidal force and lunar tidal force both coincide
    • D. none of these.
    • Discuss
    • 8. By applying clockwise swing to right projector, maximum y-parallax is introduced in the model at

    • Options
    • A. position 1
    • B. position 2
    • C. position 4
    • D. position 6.
    • Discuss
    • 9. ? and ? are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being S and f respectively. Parallax displacement of the point due to relief, is

    • Options
    • A.
    • B.
    • C.
    • D. .
    • Discuss
    • 10. The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as

    • Options
    • A. isocentre
    • B. principal point
    • C. perspective centre
    • D. plumb line.
    • Discuss


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