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Benchmark (surveying): Quiz

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Question 1: In the ________, triangulation points are often set in large concrete markers, which as well as functioning as a triangulation point, have a benchmark set into the side.
CanadaWalesEnglandUnited Kingdom

Question 2: The ________ (USGS)
United States Geological SurveyNational Park ServiceUnited States Fish and Wildlife ServiceMinerals Management Service

Question 3: ________ points, also known as trig points, are marks with a precisely established horizontal position.
TriangulationThalesGeometryAbu Rayhan Biruni

Question 4: This ________ survey marker is designed to be a standard nail to be used by the USGS to mark high-watermarks, set reference points, set bench marks, set reference marks, and turning points for levels.
United States Geological SurveyNational Park ServiceUnited States Fish and Wildlife ServiceMinerals Management Service

Question 5: The height of a benchmark is calculated relative to the heights of nearby benchmarks in a network extending from a fundamental benchmark, a point with a precisely known relationship to the level datum of the area, typically ________.
Current sea level riseThermohaline circulationSea levelPhysical oceanography

Question 6: C&GS benchmark disk in the ________.
CanadaPhilippinesAlaskaUnited States

Question 7: Prominent features on buildings such as the tip of a church spire or a ________ are also used as reference points for triangulation.
Inco SuperstackEkibastuz GRES-2 Power StationEndesa TermicChimney







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