Curioustab

Home » Civil Engineering » Surveying

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

staff normal
staff vertical
staff normal as well as vertical
none of these.

Correct Answer: staff normal

← Previous Question Next Question→

More Questions from Surveying

The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as
While surveying a plot of land by plane tabling, the field observations
A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be
In a precision traverse, included angles are measured by setting the vernier
Pick up the correct statement from the following :
The rise and fall method of reduction of levels, provides a check on
An angles of 45° with a chain line may be set out with
In chain surveying, perpendiculars to the chain line, are set out by
The area of any irregular figure of the plotted map is measured with
If Δ is the angle of deflection of a simple curve of radius R, the length of the curve is :

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion