Autobody 84C
Heavy-bodied sealers are used to fill seams from ___.
1/8 to 1/4 inch wide
Which of the following would be a blend coat of paint?
A coat faded more thinly near the perimeter of the repair
Which product should be sprayed over an original OEM finish before clearcoating?
Adhesion promoter
Which of the following methods can be used to strip paint from the metal surfaces of a vehicle?
All of the above (sanding, blasting, chemical stripping)
Corrosion protection materials should never be applied to ___.
Any of the above (The exhaust pipe or muffler, Shock absorbers, Drivetrain parts, Brake drums)
A fender has tape stripes that must be removed before painting. Technician A says to use a rubber scrub wheel in an air drill. Technician B says that a heat gun might aid stripe removal. Who is correct?
Both A and B
Technician A says that sectioning involves cutting the part in a location other than a factory seam. Technician B says that pillars and rocker panels are often sectioned. Who is correct?
Both A and B
Any seams that might be exposed to automotive fluid should have a ___.
Brushable seam sealer
Rocker panels and pillars are known as what type of section?
Closed
Which of the following statements concerning replacement at factory seams is incorrect?
Damaged rails and panels should not be returned to factory specifications until after they have been removed from the vehicle.
which product should be used to mask next to a part that is being painted around?
Fine line masking tape
Which of these types of buffing pads is used last when machine compounding a finish?
Foam
A dry metallic paint spray makes the paint appear ___.
Lighter
When restoring corrosion protection to an enclosed interior surface, Technician A applies the weld-through primer over existing paint. Technician B applies the weld-through primer over galvanized surfaces. Who is correct?
Neither A nor B
When spot repainting with solid colors, Technician A applies the topcoat with a circular motion from the center outward. Technician B applies the topcoat in short strokes from the center outward. Who is correct?
Neither A nor B
Corrosion is accelerated in areas ___.
Of high relative humidity
A spraying pressure that is too high results in which of the following?
Poor flow because of excessive paint loss (overspray)
Which should not be done when machine buffing a finish?
Push down on buffing machine
Technician A says that HVLP spray guns should be held a little closer than older low-efficiency spray guns. Technician B disagrees. Who is correct?
Technician A
Technician A says that gravity-fed spray guns are the most common type found in body shops today. Technician B says that electrostatic spray guns are more common. Who is correct?
Technician A
Technician A says to fan the spray gun to blend the colorcoats more thinly away from the repair area during spot repairs. Technician B says you should never fan your spray gun sideways. Who is correct?
Technician A
When preparing a vehicle for installation of replacement body panels, Technician A uses a disc sander to prepare the flanges of the structural panels, while Technician B does not. Who is correct?
Technician A
A new metal bumper is coated with a factory E-coat. Technician A says to remove all of the coating before priming and painting. Technician B says that an E-coat normally can be prepped and painted. Who is correct?
Technician B
Technician A says that a cartridge respirator will protect you from catalyzed paint. Technician B says that an air-supplied respirator is needed with catalyzed materials. Who is correct?
Technician B
Technician A says that modern paint removers are not harmful to your skin and eyes. Technician B says to wear a face shield and rubber gloves when using chemical paint removers. Who is correct?
Technician B
Technician A says to use a measuring system to check panel alignment before final welding. Technician B says to install adjacent parts or panels to visually check panel alignment before welding. Who is correct?
Technician B
Technician A says to use a spray-out test panel to help check the match of a pearl paint. Technician B says to use a let-down test panel. Who is correct?
Technician B
Technician A uses #600-grit sandpaper to remove paint to bare metal. Technician A says to use #36-grit sandpaper for rapid paint removal. Who is correct?
Technician B
Technician A uses a DA sander to remove heavy surface rust, whereas Technician B says it is better to use a media blaster. Who is correct?
Technician B
When making a spray-out test panel, Technician A says not to clearcoat the panel. Technician B says you should clearcoat the panel. Who is correct?
Technician B
When visually positioning a nonstructural outer body panel, Technician A makes sure that the gaps between panels are tapered. Technician B makes sure that the gaps between panels are even. Who is correct?
Technician B
What happens when testing the spray pattern for uniformity of paint distribution?
The trigger is pulled all the way back and released immediately
What should be applied to the panel flanges before welding?
Weld-through primer
Which of the following would be considered a panel repair?
Whole panel is painted
If you hold a spray gun too close to the vehicle surface, which problem will result?
runs and sags
Which of the following should be avoided when making sectioning cuts?
All of the above (Structural member mounts, Compound member mounts, Dimensional reference holes)
What are the basic reasons for tinting?
All of the above (To adjust color variations in shades to match the color from the manufacturer, To adjust color on an aged or weathered finish, To make a color for which there is no formula or for which there are no paint codes available)
What is the purpose of a tack cloth?
wiping dust off the surface before refinishing
What is the name for a full set of paint pigments and solvents that can be mixed at the body shop?
Intermix system
Technician A uses conversion coating on aluminum. Technician B says that conversion coatings are applied using a spray bottle and rinsed off before drying. Who is correct?
Both A and B
Corrosion protection involves using various materials to protect steel bodies from ___.
Both A and B (rust and corrosion)
When starting work, Technician A says to refer to the estimate or work order to know how to proceed. Technician B says this is not necessary. Who is correct?
Technician A
A body surface has been sanded down to bare metal. Technician A first applies a metal conditioner and then body filler. Technician B applies a self-etch primer to the bare metal. Who is correct?
Technician B
When two dissimilar metals are placed in contact with each other, the more chemically active will corrode, protecting the other metal in the process. This is called ___.
Galvanic corrosion
A flexible bumper is going to be painted. Technician A says a flex additive is not needed. Technician B says it is best to use a flex additive on flexible panels to prevent the paint from cracking. Who is correct?
Technician B
This spray system (also known as the "high-solids" system) uses a high volume of air, delivered at low pressure, to atomize paint into a pattern of low-speed particles.
HVLP
What term refers to the degree of lightness or darkness of a color?
Value
Technician A says to use a spectrophotometer when trying to match the color on a vehicle. Technician B says to use a computerized paint matching system. Who is correct?
Both A and B
Technician A says to write down a spray schedule as you paint a vehicle to keep track of flash times. Technician B says you can touch the wet paint on a piece of masking tape to check flashing. Who is correct?
Both A and B
Technician A uses a sanding block and wet sandpaper to scuff and prepare existing painted surfaces for repainting. Technician B uses his fingers and a scuff pad to get inside restricted or inner surfaces of panels. Who is correct?
Both A and B
Technician A uses a spot weld drill to remove a structural panel. Technician B uses a smaller grinding wheel. Who is correct?
Both A and B
A new paint job shows signs of blushing. Technician A says to lower air pressure at the gun. Technician B says to use a slower reducer. Who is correct?
Both A and B
After a panel repair and repainting, the masking paper is removed and it is discovered that the new metallic paint is darker than the original color. Technician A says that the last color coat might have been sprayed too wet. Technician B says that the painter might not have made a spray-out test panel to check the new paint color. Who is correct?
Both A and B
Technician A says spot putties can be painted over without sanding them. Technician B says that a two-part spot putty dries very quickly. Who is correct?
Both A and B
Technician A says that OEM paints once used a water-based color. Technician B says that water-based primer can help solve paint compatibility problems. Who is correct?
Both A and B
Technician A says to set the spray booth temperature at about 100°F to help flash paint between coats. Technician B says you can use a baking temperature of about 160°F after the paint has flashed and partially cured. Who is correct?
Both A and B
Technician A says to try panel detail sanding and polishing if acid spotting is not too severe. Technician B says that sanding and refinishing might be needed. Who is correct?
Both A and B
Technician A says to use a scribe in order to mark the cut line on a quarter panel to roof joint. Technician B says that if there is sufficient overlapping both panels can be cut at the same time. Who is correct?
Both A and B
Which of the following promote atomization of the paint?
Center orifices
Which term refers to a color's level of intensity, or the amount of gray (black and white) in it?
Chroma
Which type of spray booth is the most popular air movement system used today?
Downdraft booth
What is the best method for separating spot welds?
Drilling them out
Which of the following statements is incorrect?
It is not necessary to color match when blending.
The higher the pH number rises above 6.0, the ___.
Less likely the chance of acid rain
Where should A-pillars be cut when sectioning?
Near the middle
Technician A says that newspaper can be used to mask right next to panels being painted. Technician B says that a plastic sheet should be used to mask right next to panels being painted. Who is correct?
Neither A nor B
Which of the following statements concerning colorcoat/ clearcoat applications is incorrect?
Only one mist coat of colorcoat is needed.
Which condition can sometimes be found on OEM finishes and repair finishes, to a certain degree?
Orange peel
Which sealant is not paintable and attracts dust and dirt with time?
Silicone sealant
When evaluating the color of a finish, under which type of light should it be viewed?
Sunlight
A new spot repair has a small paint run in it. Technician A says that the spray gun may have been moved too slowly or not moved in controlled passes over this area. Technician B says that a slower drying solvent should have been used. Who is correct?
Technician A
A small paint run is being repaired. Technician A says to block sand the run with #600-grit wet sandpaper to quickly plane the area level. Technician B says to start by sanding with much finer sandpaper, such as #1500 grit. Who is correct?
Technician A
Technician A says to use a light mist coat when applying the last color coat. Technician B says to always use a full wet coat with metallics. Who is correct?
Technician A
Technician A says when wiping down a vehicle body, use lint free towels. Technician B says to use one lint free towel to clean each vehicle panel before refinishing. Who is correct?
Technician A
Technician A sometimes positions nonstructural outer panels visually without making precise measurements. Technician B says that measurements must always be made. Who is correct?
Technician A
A paint job shows a few small fish-eyes. Technician A says to let the paint cure, sand, and refinish the area. Technician B says mixing a little fish-eye eliminator additive in the paint may correct the problem. Who is correct?
Technician B
A spray-out test panel does not match the metallic color on the vehicle. The color is a little too dark. Technician A says to tint the paint first. Technician B says to try to lighten the color by misting the last coat of metallic. Who is correct?
Technician B
If the original paint surface is in good condition, Technician A simply washes the car to prepare the surface for painting. In the same instance, Technician B also scuff sands the surfaces to be painted. Who is correct?
Technician B
Technician A monitors the booth intake filters and manometer readings hourly. Technician B monitors the booth intake filters and manometer readings daily. Who is correct?
Technician B
Technician A says that the number and location of plug welds should always be about an inch apart. Technician B says to refer to factory specifications for weld type, count, and locations. Who is correct?
Technician B
Technician A says you can pour solvent out of the can into a spray gun without using a strainer. Technician B says you should strain everything you pour into your spray gun. Who is correct?
Technician B
Technician A uses a conversion coating and then a metal conditioner. Technician B says that conversion coatings are usually mixed with water before using them. Who is correct?
Technician B
Technician A uses a conversion coating on inside closed sections. Technician B uses a corrosion treatment on inside closed sections. Who is correct?
Technician B
Technician A uses the same spray gun for the topcoat that was used for the undercoat. Technician B uses a different spray gun. Who is correct?
Technician B
