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  • Question
  • The principal line is the line joining the principal point and


  • Options
  • A. nadir
  • B. isocentre
  • C. perspective centre
  • D. none of these.

  • Correct Answer
  • isocentre 


  • Advanced Surveying problems


    Search Results


    • 1. The time interval between successive transits of the moon, is

    • Options
    • A. 24 hours 10 minutes
    • B. 20 hours 25 minutes
    • C. 24 hours 50 minutes
    • D. 23 hours 50 minutes
    • E. 23 hours 25 minutes.
    • Discuss
    • 2. At the first point of Aeries, the sun moves

    • Options
    • A. northward
    • B. southward
    • C. from south to north of the equator
    • D. from north to south of the equator.
    • Discuss
    • 3. If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is

    • Options
    • A. 10°
    • B. 20°
    • C. 30°
    • D. 40°
    • E. 60°.
    • Discuss
    • 4. The distance between the projection centre and the photograph, is called

    • Options
    • A. principal distance
    • B. principal line
    • C. isocentric distance
    • D. focal length.
    • Discuss
    • 5. To have greatest coverage of the area, the type of photography used, is

    • Options
    • A. high oblique
    • B. low oblique
    • C. vertical
    • D. none of these.
    • Discuss
    • 6. Pick up the correct statement from the following :

    • Options
    • A. If the applied tension to the tape is more than the standard, the tension correction is positive
    • B. If the applied tension to the tape is less than the standard, the tension correction is negative
    • C. If the temperature during measurement is greater than the standard temperature, the temperature correction is positive
    • D. If the temperature during measurement is lower than the standard temperature, temperature correction is negative
    • E. All the above.
    • Discuss
    • 7. In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

    • Options
    • A. Gauss' Mid Latitude formula
    • B. Delamber's method
    • C. Legendr's method
    • D. Least square method.
    • Discuss
    • 8. If the distance between the projectors is altered by a movement along X-axis of one projector,

    • Options
    • A. the length of the air base is increased
    • B. the scale of the model is altered
    • C. y-parallax is not affected
    • D. relative orientation is not affected
    • E. all the above.
    • Discuss
    • 9. The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on

    • Options
    • A. March 21
    • B. June 21
    • C. September 21
    • D. December 22.
    • Discuss
    • 10. Stellar astronomy deals with

    • Options
    • A. plane surveying
    • B. geodetic surveying
    • C. star observations
    • D. planet observations.
    • Discuss


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