Surveying
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be

+50 m, -86.6 m
+50 m, +86.6 m
+70.7 m, -50 m
+86.6 m, -50 m

ANSWER DOWNLOAD EXAMIANS APP

Surveying
In triangulation surveys

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The rise and fall method

is not suitable for levelling with tilting levels
quicker and less tedious for large number of intermediate sights
is less accurate than height of instrument method
provides a check on the reduction of intermediate point levels

ANSWER DOWNLOAD EXAMIANS APP