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  • Question
  • Systematic errors


  • Options
  • A. always follow some definite mathematical law
  • B. can be removed by applying corrections to the observed values
  • C. either make the result too great or too small
  • D. are also known as cumulative errors
  • E. all the above.

  • Correct Answer
  • all the above. 


  • Advanced Surveying problems


    Search Results


    • 1. The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 2. Pick up the correct statement from the following :

    • Options
    • A. The angle between the plane of the negative and the horizontal plane containing perspective axis is the tilt of the photograph
    • B. The direction of maximum tilt is defined by the photo principal line
    • C. The principal plane is truly vertical plane which contains perspective centre as well as principal point and plumb point
    • D. All the above.
    • Discuss
    • 3. In a tropical year, the number of sidereal days, are

    • Options
    • A. 365
    • B. 365.2224
    • C. 365.2422
    • D. 366.2422
    • E. 366.2224.
    • Discuss
    • 4. The height displacement on a vertical photograph

    • Options
    • A. increases as the horizontal distance increases from the principal point
    • B. increases as the ground elevation increases
    • C. decreases as the flying height increases
    • D. all the above.
    • Discuss
    • 5. Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

    • Options
    • A. by subtracting their longitudes if places are in the same hemisphere
    • B. by adding their longitudes if places are in the different hemispheres
    • C. by subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
    • D. all the above.
    • Discuss
    • 6. The difference in longitude of two places expressed in time is equal to the difference in their

    • Options
    • A. sidereal time
    • B. apparent solar time
    • C. mean solar time
    • D. all the above.
    • Discuss
    • 7. The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude :

    • Options
    • A. mean sun
    • B. true sun
    • C. vernal equinox
    • D. star
    • E. all the above.
    • Discuss
    • 8. The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called

    • Options
    • A. visible horizon
    • B. sensible horizon
    • C. celestial horizon
    • D. true horizon
    • E. none of the above.
    • Discuss
    • 9. Pick up the correct statement from the following :

    • Options
    • A. Refraction correction is zero when the celestial body is in the zenith
    • B. Refraction correction is 33' when the celestial body is on the horizon
    • C. Refraction correction of celestial bodies depends upon their altitudes
    • D. all the above.
    • Discuss
    • 10. Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel

    • Options
    • A. 24%
    • B. 36%
    • C. 40%
    • D. 60%.
    • Discuss


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