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Problem of the WeekWhich of the following is NOT affected by gravity?
(A) an orthometric elevation
(B) an ellipsoidal height
(C) a value measured by a gravimeter
(D) heights of the sea measured at a tide station
The answer is (B).
This is problem 13 (17-2) from the NEW third edition of “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (formerly "1001 Solved Surveying Fundamentals Problems"). Reprinted with permission from “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (2008 Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visit www.ppi2pass.com.