1. Hidden/Imaginary lines are thin and are used to show the actual size of an object.there are arrowheads at both end that terminate at the extension lines. 2. Center line are used to indicate the centers of holes, arcs, and symmtrical objects.they are very thin(size), long-short-long kinds of lines 3. A section line is a medium weight line, made of short dashes about 1/8" long 1/16 gaps, to show edges, surfaces and Coeners which cannot be seen. 4. Dimension line are used to show the cut surfaces of an object in section views. They are fine, dark lines and may indicate the type of material cut by the cutting plane line. 5. A visible line, or object line is a thick continuous line, used to outline the visible edges or contours of an object. TRUE OR FALSE