Surveying
A Nautical mile is

1855.109 m
All of these
One minute arc of the longitude
One minute arc of the great circle passing through two points

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Surveying
In triangulation surveys

All listed here
Sides are not measured excepting the base line
Control stations are located from which detailed surveys are carried out
The area is divided into triangular figures

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Surveying
Bowditch rule is applied to

None of these
an open traverse for graphical adjustment
determine the effect of local attraction
a closed traverse for adjustment of closing error

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