Surveying
Pick up the correct statement for horizontal photographs.

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

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Surveying
Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
All of these
By subtracting their longitudes if places are in the same hemisphere
By adding their longitudes if places are in the different hemispheres

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Surveying
Bowditch rule is applied to

None of these
an open traverse for graphical adjustment
determine the effect of local attraction
a closed traverse for adjustment of closing error

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