Deck 25: Surface Preparation

Question 1

Technician A says that the first step for refinishing preparation is to chemically clean the surface to be refinished. Technician B says that the first step for refinish preparation is soap and water wash. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Answer 1

B

Question 2

Block sanding is done to ____________________ the high spots on an uneven surface.

Answer 2

level

Question 3

Technician A says that 40-grit sandpaper is the best to use when stripping old finish from aluminum hoods. Technician B says chemical stripping is best used when the entire finish must be removed down to the substrate. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Answer 3

B

Question 4

Lacquer finish cures through oxidation.

Question 5

Technician A says that guide coat helps a technician identify imperfections. Technician B says that guide coat helps level the surface during paint preparation. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 6

Aluminum should never be sanded with an abrasive grade more aggressive than _______________ grit.

Question 7

Block sanding should never be done wet.

Question 8

A technician will be mixing soap and water for cleaning a vehicle. The soap diluted 1 part soap to 50 parts water. The amount of water in the bucket is 4 gallons. How much soap should the technician put in the water?

Question 9

Technician A says that preparing an aluminum substrate is done using the same steps and materials used for a steel substrate. Technician B says a solvent test can be used to determine if the existing finish is a lacquer or another more durable finish. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 10

Technician A says that adhesion promoter is a coating that helps topcoat stick to OEM paint. Technician B says that adhesion promoter is used on certain types of plastic. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 11

Not all primers provide corrosion protection.

Question 12

Technician A says that each vehicle will have a slightly different refinish plan. Technician B says the cleaner the vehicle before the painting is initiated the less likely of having dirt in the newly applied finish. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 13

Blocking is used to remove the shine from a paint surface before refinishing.

Question 14

Technician A says that when using a DA sander, it is not necessary for the technician to wear gloves. Technician B says that a particle mask should be worn when sanding primer filler. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor b

Question 15

Plastic is refinished the same way, no matter which type of plastic is used.

Question 16

____________________ is done primarily to deglaze the surface.

Question 17

Technician A says that careful feathering and priming reduces the possibility of the repair showing. Technician B says that scuffing and sanding are the same processes. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 18

Technician A says the bare metal should be cleaned with wax and grease remover before applying conversion coating to prevent rust. Technician B says that a steel paint cup should be used with acid etch primer. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 19

Technician A says abrasive discs are available in either an open or closed coat configuration with the closed coat having a tightly packed layer of abrasive on the surface. Technician B says that paint manufacturers have different film thickness limits. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 20

A vehicle's fender has been measured and found to have thicknesses of 8.5 mil, 8.9 mil, 9.0 mil, 8.2 mil, and 8.8 mil, in five different locations on the fender. What is the average film thickness? ____________________ mil

Question 21

Write a step-by-step procedure sheet for preparing an aluminum substrate for refinishing.

Question 22

Write a step-by-step procedure sheet for preparing an e-coated part for refinishing.

Question 23

Describe the process for solvent testing a new part.

Question 24

A vehicle has entered the refinish department. Through inspection, the technician finds that the surface for painting needs to be re-primed and blocked. If the technician sends it back to the body shop, it will not be completed on time. If it is fixed in the refinish department, it can be delivered on time. What should be done?

Question 25

Three vehicles arrive in the refinish department at the same time. There are already three other vehicles, in varying stages of completeness, in the department. The vehicles already in the department are all on time. In fact, two are ahead of schedule. The technician learns that one of the newly arriving vehicles is late, and if the vehicle is repaired in the order it has arrived, it will not be delivered on time. As the lead painter, what are the technician's options for repairing these vehicles?