GEODESY Exam Questions with Correct Answers 100% Verified 2024

GEODESY Exam Questions with Correct Answers 100% Verified 2024 The free-air gravity anomaly height correction for every meter above sea level is _____ mgal. A. + 0.3086 B. - 0.3086 C. + 0.3608 D. - 0.3608 - Correct Answer -0.3086 The forward and back azimuths of a geodetic line do NOT differ by exactly 180 degrees due to the _____. A. location of the observer. B. length of observation C. convergence of the meridians D. difference in instruments - Correct Answer convergence of the meridians ______ in a geodetic leveling instrument exists when the plane of the image and the plane of the cross-hairs do NOT coincide, and should be eliminated by _____ the objective, eyepiece, or both. A. Parallax, changing B. Non-collimation, refocusing C. Parallax, refocusing D. Non-collimation, changing - Correct Answer parallax refocusing In a conventional GNSS RTK survey, the data transfer from the base to the rover can be made either through a ______ or a telephone link. A. radio B. television C. facsimile D. telegraph - Correct Answer radio Grid azimuth is the same as geodetic azimuth only when the point of observation falls on the _______ meridian. A. central