Surveying
The angle between the prolongation of the preceding line and the forward line of a traverse is called

included angle
None of these
deflection angle
direct angle

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Surveying
A ’level line’ is a

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
line passing through the objective lens and the eye-piece of a dumpy or tilting level

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