Measureing Of Vertical Distances

Question 1

The process of directly or indirectly measuring vertical distances to determine the elevation of points on their differences in elevation.

Answer 1

Leveling

Question 2

It is curved surface which is at any point perpendicular to the direction of gravity or to the plumb line.

Answer 2

Level Surface

Question 3

A level line is a curve line in a level surface. All points of which are normal to the direction of gravity and equidistant from the center of the Earth.

Answer 3

Level Line

Question 4

It is a plane that is tangent to a level surface at a particular point.

Answer 4

Horizontal Surface

Question 5

A line in a horizontal plane which is tangent to the level line at one point.

Answer 5

Horizontal Line

Question 6

A line parallel to the direction of gravity at any point.

Answer 6

Vertical Line

Question 7

An angle between two intersecting line in a vertical plane.

Answer 7

Vertical Angle

Question 8

An imaginary surface of the sea which is midway between high and low tides.

Answer 8

Mean Sea Level

Question 9

Any convenient level surface coincident or parallel with mean sea level to which elevations of a particular area are referred.

Answer 9

Datum

Question 10

The vertical distance above or below the sea or any other selected datum.

Answer 10

Elevation

Question 11

The vertical distance between two level surfaces in which the points lie.

Answer 11

Difference in Elevation