A vertical line at any point is a line normal to the level surface at the point.

Related MCQs

• Which line is normal to the level line at a point?
• If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
• Which line passes through a point, such that plane passing that point and the north and south poles, intersects with the surface of the earth?
• A surface which is normal to the direction of gravity at all points, as indicated by a plumb line, is known as
• The line normal to the plumb line is known as
• A line normal to the plumb line at all points is known as
• The line in which the plane passing through the given point and the north and south poles intersects the surface of the earth, is called
• The difference between a level line and a horizontal line is that
• The vertical distance between any two consecutive contours is called
• The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be