Elementary Surveying: An Introduction To Geomatics (15th Edition)
Elementary Surveying: An Introduction To Geomatics (15th Edition)
15th Edition
ISBN: 9780134604657
Author: Charles D. Ghilani
Publisher: PEARSON
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Question
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Chapter 4, Problem 4.1P

a.

To determine

The term vertical line

a.

Expert Solution
Check Mark

Explanation of Solution

Vertical line:

A line that coincides with the plumb line and indicates the direction of gravity is known as vertical line.

b.

To determine

The term level surface

b.

Expert Solution
Check Mark

Explanation of Solution

Level surface:

A level surface is the surface where each point is the perpendicular to the vertical line. In level surface the potential due to gravity is equal to each point on the surface, so the level surface is also known as equipotential surface.

c.

To determine

The term bench mark

c.

Expert Solution
Check Mark

Explanation of Solution

Bench mark:

The marked point with known elevation is known as a bench mark. It is a referring point in the measuring altitudes.

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