Surveying
The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called

intersection
traversing
resection
radiation

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Surveying
Accidental errors

Cannot be removed by applying corrections to the observed values
Are generally small
All of these
Do not follow any definite mathematical law

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Surveying
Refraction correction

has no effect on curvature correction
completely eliminates curvature correction
partially eliminates curvature correction
adds to the curvature correction

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