____ lines are fine, solid lines projecting from an object to show the extent of a dimension.
A) Extension
B) Center
C) Section reference
D) Leader

Question

Quizplus · Accepted Answer

Extension lines are used to show the extent of a dimension. They are fine, solid lines that project from the object being dimensioned. Center lines are used to indicate the center of a circle or arc, section reference lines are used in section views to identify which portion of the object is being shown, and leader lines are used to connect notes or labels to specific parts of a drawing.

____ Lines Are Fine, Solid Lines Projecting from an Object