Print Reading Unit 9

Arrowhead appearance, lettering size, and spacing for extension lines are all part of what is known as dimensioning ____.

• mechanics

• technique

• protocol

• strategy

Match the term that describes it.

• Circle

• Diameter

• Smoothness

• Cylindrical

Cylinders are dimensioned by a leader line pointing to the circle view and a linear dimension that shows the length or height.

• True

• False

For objects comprised of external cylindrical features, the diameter of the cylinder should be dimensioned in the ____ view.

• cylindrical

• round

• contour

• rectangular

Match the term that describes it.

• Deep

• Parallel

• Runoff Total

• Down

If it appears a dimension is missing, the print reader should make an assumption.

• True

• False

If the letter S precedes a radius or diameter symbol, it indicates that the feature is cylindrical.

• True

• False

Match the term that describes it.

• Rotation

• Right side

• Runoff

• Radius

It is permissible for extension lines to cross each other, but, if possible, dimension lines should not cross each other.

• True

• False

Local notes usually apply to the entire part.

• True

• False