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  • Question
  • The want of correspondence in stereo-photographs


  • Options
  • A. is a good property
  • B. is a function of tilt
  • C. is not affected by the change of flying height between photographs
  • D. is minimum when ? is 3°.

  • Correct Answer
  • is a function of tilt 


  • Advanced Surveying problems


    Search Results


    • 1. The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between

    • Options
    • A. horizon and equator
    • B. equator and zenith
    • C. zenith and pole
    • D. pole and horizon.
    • Discuss
    • 2. In a truly vertical photograph,

    • Options
    • A. principal point coincides the isocentre
    • B. iso-centre coincides the plumb point
    • C. plumb point coincides the principal point
    • D. principal point, iso-centre and plumb point coincide
    • E. all the above.
    • Discuss
    • 3. Pick up the correct statement from the following :

    • Options
    • A. The principal point coincides with plumb point on a true vertical photograph
    • B. The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point
    • C. The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley
    • D. The planimetric displacement of the point due to relief on a truly vertical photograph is directly proportional to its distance from the principal point and also its elevation
    • E. All the above.
    • Discuss
    • 4. A star is said to elongate

    • Options
    • A. when the star momentarily moves vertically
    • B. when the angle at the star of the spherical triangle is 90°
    • C. when the star's declination is greater than the observer's latitude
    • D. all the above.
    • Discuss
    • 5. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called

    • Options
    • A. equator
    • B. celestial equator
    • C. ecliptic
    • D. none of these.
    • Discuss
    • 6. According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of

    • Options
    • A. tangents of two adjacent parts
    • B. sines of two adjacent parts
    • C. cosines of two adjacent parts
    • D. cosines of two opposite parts
    • E. both (a) and (b) above.
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. The plane passing through the perspective centre of a stereo pair and a ground point, is known as basal plane
    • B. Each pair of image points on stereo pair have their own basal plane
    • C. Relative orienation means reconstructing the basal plane
    • D. Relative orientation of the model is achieved only when five points within the model are cleared of Y-parallax
    • E. All the above.
    • Discuss
    • 8. In triangulation surveys

    • Options
    • A. the area is divided into triangular figures
    • B. control stations are located from which detailed surveys are carried out
    • C. sides are not measured excepting the base line
    • D. angular measurements are only resorted to
    • E. all the above.
    • Discuss
    • 9. Pick up the correct statement from the following :

    • Options
    • A. The star's movement is apparent due to the actual steady rotation of the earth about its axis
    • B. The stars move round in circular concentrated parts
    • C. The centre of the circular paths of stars is the celestial pole
    • D. The axis of rotation is a fixed direction of a particular diameter of the celestial sphere either end of which is a pole
    • E. All the above.
    • Discuss
    • 10. The Polaris describes a small circle round the pole whose radius is approximately

    • Options
    • A. 1°
    • B. 2°
    • C. 3°
    • D. 4°.
    • Discuss


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