Surveying
To have greatest coverage of the area, the type of photography used, is

Low oblique
Vertical
High oblique
None of these

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Surveying
Homologous points are

Corresponding points on the ground and photograph
Opposite corners of a photograph
Nodal points of the camera lens
Plumb points of stereo pair of photographs

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Surveying
Dumpy level is most suitable when

All of these
fly levelling is being done over long distance
many readings are to be taken from a single setting of the instrument
the instrument is to be shifted frequently

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Surveying
The necessary geometrical condition for triangulation adjustment is:

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

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