Technical Drawing - Dimensioning

Exercise : Dimensioning - General Questions
16.
This is a line terminated by arrowheads, indicating the direction and extent of a dimension:
Dimension line
Extension line
Arrowhead line
Centerline
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
In U.S. structural and architectural drafting, all dimensions of this length are usually expressed in feet and inches:
One inch or over
One foot or over
One yard or over
One rod or over
Answer: Option
Explanation:
No answer description is available. Let's discuss.