Surveying
In triangulation surveys

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Which of the following errors cannot be eliminated by taking both face observations ?

None of these
error due to horizontal axis not being perpendicular to the vertical axis
error due to non-parallelism of the axis of telescope level and line of collimation
index error i.e. error due to imperfect adjustment of the vertical circle vernier

ANSWER DOWNLOAD EXAMIANS APP