Certified Floodplain Manager (CFM) Practice Exam

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NGVD is an acronym for?

  1. National Geodetic Vertical Datum

  2. New Global Virtual Desktop

  3. Non-Governmental Vendor Document

  4. National Geographic Visual Database

The correct answer is: National Geodetic Vertical Datum

NGVD stands for National Geodetic Vertical Datum. This is a specific vertical datum, or surveying reference system, used by the National Geodetic Survey and other agencies in the United States. It is used to measure elevations and heights in the United States and its territories. The other options are incorrect because they do not accurately represent the acronym NGVD. B, "New Global Virtual Desktop," is unrelated to surveying and would not be used as a reference system. C, "Non-Governmental Vendor Document," is not a common acronym and is not used in the field of surveying. D, "National Geographic Visual Database," is also unrelated to surveying and would not be used as a reference system.

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