Surveying
Overturning of vehicles on a curve can be avoided by using

reverse curve
transition curve
compound curve
vertical curve

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Surveying
The cross hairs in the surveying telescope are placed

anywhere between eye-piece and objective lens
much closer to the eye-piece than to the objective lens
much closer to the objective lens than to the eye piece
midway between eye piece and objec-tive lens

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Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the angles around a station should be 360°
All listed here
The sum of the three angles of a plane triangle should be 180°
The sum of the eight angles of a braced quadrilateral should be 360°

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