Civil Autocad

Question 0

Tangent

Answer 0

Straight line next to curve

Question 1

AKA

Answer 1

Station, Chainage

Question 2

PC

Answer 2

Point of Curvature

point where tangent becomes a curve

Question 3

PT

Answer 3

Point of Tangent

point where curve becomes a straight line

Question 4

PI

Answer 4

Point of Intersection

meeting point of imaginary straight lines from PC and PT

Question 5

The horizontal design of curves is based on…

Answer 5

a radius.

Question 6

Vertical design of curves is based on…

Answer 6

length.

Question 7

BP and EP

Answer 7

Beginning Point and

End Point

Question 8

TIN surface

Answer 8

A TIN surface is composed of the triangles that form a triangulated irregular network. A TIN line is one of the lines that make up the surface triangulation.

Question 9

Contour Data

Answer 9

Contours are graphical illustrations of surface elevation changes.

Question 10

Boundaries

Answer 10

Boundaries are closed polylines that affect the visibility of the triangles either inside or outside the polylines.

Question 11

Breaklines

Answer 11

Breaklines define the linear surface features, such as retaining walls, curbs, tops of ridges, and streams.
Breaklines are critical to creating an accurate surface model. Breadlines are important because it is the interpolation of the data, not just the data itself, that determines the shape of the model.

Question 12

PVI

Answer 12

Points of vertical intersection