Curioustab

Home » Civil Engineering » Surveying

The combined effect of curvature and refraction over a distance L kilometres is

67.2 L2 mm
76.3 L2 mm
64.5 L2 mm
none of these.

Correct Answer: 67.2 L2 mm

← Previous Question Next Question→

More Questions from Surveying

A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is
The theodolites used for making tacheometric observations by optical wedge system, are
The surface of zero elevation around the earth, which is slightly irregular and curved, is known as
During levelling if back sight is more than foresight
The representation of general topography of a very flat terrain is possible only
The Trapezoidal rule of volumes V of an embankment divided into a number of sections equidistant D, is given by
Pick up the correct statement from the following
Pick up the correct statement from the following :
Correction per chain length of 100 links along a slope of α radians, is
Two contour lines, having the same elevation

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion