To find the true difference of level between two points, the level should be kept
A)at either of the two points
B)exactly midway between the two points
C)at any point on the line joining the two points
D)none of the above

Question

Quizplus · Accepted Answer

The true difference of level between two points is most accurately determined when the level is kept exactly midway between the two points. This minimizes errors due to line of sight and curvature of the earth.

To Find the True Difference of Level Between Two Points