A theodolite was set up at P and the angle of elevation to the top of – McqOptions

MCQOPTIONS

1.	A theodolite was set up at P and the angle of elevation to the top of a mobile tower ST was 300 .The staff reading held at a station of RL 110 was 2.555 m, the telescope being horizontal. The horizontal distance between the foot of the tower and the Instrument station is 810 m. The RL of the top of the tower is
A.	578.25 m
B.	579.50 m
C.	580.25 m
D.	582.40 m
Answer» D. 582.40 m

Discussion

No Comment Found

Related MCQs

Finding the elevations of a point with respect to a given or assumed and establish points given elevation or at different elevations with respect to given or assumed dactum is ________
Determining the relative positions of points on above or beneath the surface of the earth by means of direct or indirect measurements of distance and direction and elevation is called as _________
At a given point, the atmospheric pressure doesn’t remain constant in the course of the day, even in the course of an hour.
A staff is held at a distance of 1000 m from a level. If the reading on the staff is 1.565 m, the reading corrected for curvature is
How high should a helicopter pilot rise at a point A just to see the horizon at point B, if the distance AB is 40 km?
A relatively fixed point of known elevation above datum is called ___________.
In reciprocal levelling, the error which is not completely eliminated, is due to:
How high should a helicopter pilot rise at point A just to see the horizon at point B, if the distance AB is 40 km?
Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than________m.
During levelling operations, if the back sight is more than the fore sight, then it indicates that