A thick solid line used to show the outline or shape of an object.
A.
Object Line
B.
Center Line
C.
Dimension Line
D.
Leader Line
2.
A broken line of medium thickness that shows the edges and outlines of an object that is not visible to the eye.
A.
Object Line
B.
Hidden Line
C.
Center Line
D.
Leader Line
3.
Fine broken line made of a series of short and long dashes alternately spaced, and is used to show the center of circles, arcs, and symmetrical objects, and also to aid in dimensioning parts.
A.
Leader Line
B.
Extension Line
C.
Center Line
D.
Object Line
4.
Line that extends from an object with a slight break, aids in dimensioning.,
A.
Extension Line
B.
Center Line
C.
Hidden Line
D.
Dimension Line
5.
Fine lines with arrowheads , unbroken except where the dimension is placed.
A.
Extension Line
B.
Dimension Line
C.
Leader Line
D.
Object Line
6.
Fine, straight line with an arrowhead or round solid dot at the end that is drawn at an angle.
A.
Object Line
B.
Leader Line
C.
Hidden Line
D.
Object Line
7.
Series of fine lines, solid or solid and broken, arranged in specific patterns to show make-up of material.
A.
Object Line
B.
Cutting Plane Line
C.
Section Lines
D.
Short Break Line
8.
Heavy, irregular line drawn freehand.
A.
Long Break Line
B.
Object Line
C.
Short Break Line
D.
Leader Line
9.
Ruled light line with zig-zags, intended to conserve space on drawings.
A.
Object Line
B.
Extension Line
C.
Short Break Line
D.
Long Break Line
10.
Series of one long and two short dashes used to indicate an imaginary cut.
