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  • Question
  • Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year


  • Options
  • A. once
  • B. twice
  • C. thrice
  • D. four times
  • E. five times.

  • Correct Answer
  • four times 


  • Advanced Surveying problems


    Search Results


    • 1. A star in northern sphere is said to transit

    • Options
    • A. when its altitude is maximum
    • B. when its azimuth is 180°
    • C. when it is in south
    • D. all the above.
    • Discuss
    • 2. Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is

    • Options
    • A. co-declination
    • B. co-altitude
    • C. co-latitude
    • D. polar distance
    • E. none of these.
    • Discuss
    • 3. Stellar astronomy deals with

    • Options
    • A. plane surveying
    • B. geodetic surveying
    • C. star observations
    • D. planet observations.
    • Discuss
    • 4. 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
    • 5. 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
    • 6. The zenith is the point on the celestial sphere

    • Options
    • A. east of observer
    • B. west of observer
    • C. north of observer
    • D. south of observer
    • E. above the observer.
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. The measured stereoscopic base of photographs is obtained by dividing the air base in metres by the mean scale of the photograph
    • B. The difference between the absolute parallax of two points depends upon the difference in their elevations
    • C. The line joining the principal point of a photograph and the transferred principal point of the adjoining photograph, is called stereoscopic base
    • D. all the above.
    • Discuss
    • 8. The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is

    • Options
    • A. f2
    • B. 2f2
    • C. 3f2
    • D. f
    • E. f
    • Discuss
    • 9. The sun's declination remains north between

    • Options
    • A. March 21 to June 21
    • B. June 21 to September 21
    • C. September 21 to December 21
    • D. December 21 to Mach 21
    • E. both (a) and (b) of above.
    • Discuss
    • 10. Latitude of the observer's position is equal to altitude of

    • Options
    • A. north pole
    • B. pole star
    • C. celestial pole
    • D. all the above.
    • Discuss


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