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

High oblique
Low oblique
None of these
Vertical

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Surveying
Pick up the correct statement for horizontal photographs.

Parallel lines do not appear parallel in central projection
The two sides of a road meet at the vanishing point
The lines parallel to the negative plane are projected as parallel lines
All listed here

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Surveying
Accidental errors

Are generally small
All of these
Do not follow any definite mathematical law
Cannot be removed by applying corrections to the observed values

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Surveying
In triangulation surveys

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

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