The following items will test your grasp of the material covered in this lesson. There is only one correct
answer for each item. When you complete the exercise, check your answer with the answer key that
follows. If you answer any item incorrectly, study again that part which contains the portion involved.
In geodesy, the earth is defined, for mathematical purposes, as a(n)
Ellipsoid of revolution
Points on the ellipsoid are defined in terms of ________________________________.
The gravity potential on the geoid is ________________________________________________.
Perpendicular to the ellipsoid of revolution
The same everywhere
Parallel to the semiminor axis
Equal to the centripetal force of the earth's rotation
The angle formed when the ellipsoid and geoid intersect is equal to the ____________________.
Normal to the ellipsoid
Deflection of the vertical
Normal to the geoid
In geodetic surveying, the techniques used to determine precise points on the earth's
The geodetic azimuth determination
The determination of the deflection of the vertical