Chpater 1 Flashcards
What is land surveying?
The science, technology, and art of determining relative positions of features on or near the Earth surface and depicting these features on maps.
What measurements are involved in land surveying?
Horizontal and vertical distances between points and the angles subtended by these points.
How are elevations represented on maps in land surveying?
As contours.
What mathematical calculations are fundamental in land surveying?
Coordinates, elevations, areas, and volumes are computed from survey data.
What graphical representations are commonly produced from land survey fieldwork?
Maps, profiles, cross sections, and diagrams.
Why is land surveying important for a nation?
No project can take place without first conducting a land survey, and it determines boundaries of lands.
What are the stages of the land surveying process?
- Office planning and reconnaissance
- Field reconnaissance
- Station selection and line clearing
- Station marking
- Field observations and measurements
- Field booking
- Adjustments
- Computations
- Plotting
- Covering report.
What is one purpose of land surveying?
To conduct feasibility studies to determine the suitability of sites for projects.
Fill in the blank: Land surveying establishes _______ of land/properties based on available records.
boundaries
True or False: One of the purposes of land surveying is to determine accurately the relative heights of points on the Earth surface.
True
What does land surveying help to determine regarding features on or near the Earth surface?
The relative positions.