Surveying
The necessary geometrical condition for triangulation adjustment is:

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

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Surveying
A ’level line’ is a

line passing through the objective lens and the eye-piece of a dumpy or tilting level
line parallel to the mean spheriodal surface of earth
line passing through the center of cross hairs and the center of eye piece
horizontal line

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Surveying
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?

Measuring angles to the point from at least two stations
Measuring distance from two points on traverse line
Measuring angle and distance from one transit station
Measuring angle at one station and distance from other

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