Exam 27: Surface Preparation and Masking

____ are air-powered tools for forcing sand, plastic beads, or another abrasive onto surfaces for paint removal.

Liquid masking material seals off large, complex surfaces of the vehicle to protect them from paint overspray.

The tool that is designed to be used when extreme accuracy is needed along an edge is MOST-Likely:

____ involves the use of fine and very fine grits of material to prepare body surfaces for painting.

Vehicle surface evaluation involves determining what must be done before painting a body surface.

If primer-surfacer is sanded before all of its solvent has evaporated, the material in the scratches will continue to shrink down in the scratches.

____ uses two layers of masking paper or a layer of tape over the paper to prevent bleedthrough or finish-dulling from solvents.

Primer masking paper (often gold, yellow, blue, or white) is a nonporous paper designed for masking off paint spray.

A mil gauge, also called a paint thickness gauge, can be used to measure the thickness of the paint on a vehicle.

Blasting rooms are metal enclosures that are similar to paint booths.

____ keeps paint from contacting areas that are not meant to be refinished or painted.

____ involves the use of a very fine or ultrafine abrasive (paste material, sandpaper, or a scuff pad) to cut microscopic scratches in the body surface to be painted.

_________________________ uses extremely high air pressure and a fine powder or baking soda as the blasting media.

All of the following sanders are suitable for narrow areas EXCEPT:

Using too much glazing putty indicates a substandard repair.