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Home Civil Engineering Advanced Surveying Comments

  • Question
  • The negative sign is assigned to


  • Options
  • A. reduction to mean sea level
  • B. correction for horizontal alignment
  • C. correction for slope
  • D. correction for slope
  • E. all the above.

  • Correct Answer
  • all the above. 


  • Advanced Surveying problems


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    • 1. 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

    • Options
    • A. principal point
    • B. isocentre
    • C. plumb point
    • D. perspective centre.
    • Discuss
    • 2. The difference of parallax for a given difference in elevation is independent of

    • Options
    • A. focal length of the camera
    • B. overall size of the photo graphs
    • C. percentage of overlap
    • D. all the above.
    • Discuss
    • 3. The prime vertical passes through

    • Options
    • A. the east point of the horizon
    • B. the west point of the horizon
    • C. the zenith point of the observer
    • D. the nadir point of horizon
    • E. all the above.
    • Discuss
    • 4. Pick up the in-correct statement from the folowing :

    • Options
    • A. Correction for refraction is always negative
    • B. Correction for parallax is always positive
    • C. Correction for semi-diameter is always negative
    • D. Correction for dip is always negative
    • E. None of these.
    • Discuss
    • 5. The rate of change of parallax dp/dh with respect to change in h, may be expressed as

    • Options
    • A. fB/(H - h)
    • B. fB/(H - h)2
    • C. fB/(H + h)
    • D. fB/(H + h)2.
    • Discuss
    • 6. The method of surveying by triangula-tion was first introduced by the Dutchman Snell in

    • Options
    • A. 1600
    • B. 1615
    • C. 1630
    • D. 1650
    • E. 1680.
    • Discuss
    • 7. The angular distance of a heavenly body from the equator, measured along its meridian, is called

    • Options
    • A. declination
    • B. altitude
    • C. zenith distance
    • D. co-latitude.
    • Discuss
    • 8. Triangulation surveys are carried out for providing

    • Options
    • A. planimetric control
    • B. height control
    • C. both planimetric and height control
    • D. none of these.
    • Discuss
    • 9. The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between

    • Options
    • A. horizon and equator
    • B. zenith and pole
    • C. equator and zenith
    • D. pole and horizon.
    • Discuss
    • 10. When a star is between the pole and the horizon, the relationship between latitude (?), zenith distance (z) and declination ?, is

    • Options
    • A. ? = z + ?
    • B. ? = ? - z
    • C. ? = 180° - (z + ?)
    • D. ? = (z + ?) - 180°.
    • Discuss


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