Surveying - Engineering

Q1:

If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on

A staff normal

B staff vertical

C staff normal as well as vertical

D none of these.

ANS:A - staff normal

If vertical angles of inclined sights do not exceed 10° and the non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on staff normal.