Understanding Hidden Lines

What are hidden lines used for?

• To represent visible features

• To represent features not visible from the current view

• To represent dimensions

• To represent colors.

Hidden lines are typically (a)   lines.

What do hidden lines show?

• Edges you can't see

• Colors of an object

• Surface textures

• Light reflections

Hidden lines represent real edges that are ______ from view.

• visible

• blocked

• colored

• highlighted

How can hidden lines be thought of?

• As 'x-ray vision' lines

• As colorful patterns

• As surface textures

• As light reflections.

What should be the characteristic of dashes when drawing hidden lines?

• Randomly spaced

• Evenly spaced

• Longer than object lines

• Darker than object lines

When drawing hidden lines, the dashes should be lighter than object lines but dark enough to ______.

• blend in

• disappear

• see clearly

• be invisible

Which of the following statements is true about hidden lines in technical drawings?

• Hidden lines should be wider than object lines.

• Hidden lines should be narrower than object lines.

• Hidden lines should be the same width as object lines.

• Hidden lines should not be used at all.

Start and end hidden lines with (a)   , not spaces.

When hidden lines meet other lines, what should you try to end with at the intersection?

• A space

• A dot

• A dash

• A curve