1
Q
Define basic lines
A
Standard graphic symbols for a tech drawing
2
Q
Define object lines
A
Shows the visual outline of the object (straight line)
3
Q
Define hidden lines
A
Shows details that you cannot see (dotted line)
4
Q
Define dimension lines
A
Shows the dimensions (straight line) —-x—-
5
Q
Define extension lines
A
Shows where the dimensions end and begin ( | | )
6
Q
Define diameter
A
Shows diameter of circle Ø
7
Q
Define centre line
A
Cuts the circle in half (dotted lines forming a plus through the circle)
8
Q
Cutting plane line (Cross section line)
A
Line indicating the imaginary cut in an object
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