Deck 24: Understanding Refinishing

Question 1

If paint comes off on the towel during a solvent test, the finish is a thermoset.

Answer 1

False

Question 2

Paint is made up of solvent, hardener, and binder.

Answer 2

True

Question 3

Clearcoat has Ultra ____________________ (UV) protection in it.

Answer 3

violet

Question 4

Technician A says that a painter not only needs to locate the paint code, but also needs to check for a "variant" color for that code for a good match. Technician B says that when comparing a sprayout cart for color match, the technician should avoid sunlight. Who is correct?

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

Question 5

Technician A says that the 15 degree rule will help a painter calculate pot life. Technician B says that for every 15 degrees temperature increases, cure time is reduced by three times. Who is correct?

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

Question 6

If a 1000ml container has 68.5% solids, 17.3% solvents, and 12.3% binder, the percentage of additives is ____________________ %.

Question 7

A binder in the paint is responsible for___________________ the pigment other solids to the substrate

Question 8

Technician A says that water base paint have reduced amounts of VOC's. Technician B says urethane finishes are more durable than their earlier lacquer and enamel predecessors. Who is correct?

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

Question 9

Technician A says enamel finishes harden as a result of solvent evaporation and oxidation. Technician B says that urethane paint dries by evaporation. Who is correct?

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

Question 10

Urethane paint was used before lacquer paint in automotive refinishing.

Question 11

Technician A says the pigments in the paint provide the color and hiding ability of the paint film. Technician B says the clear coat is only added for additional durability in a two stage finish. Who is correct?

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

Question 12

E-coat is a thermoset coating.

Question 13

Paint hardeners are a ___________________ which when added to two other chemicals causes a reaction.

Question 14

Technician A says that the choice of reducers is not that critical, so only having one will do. Technician B says that the proper choice of reducer helps with finish "flow out", and choosing the correct one is critical. Who is correct?

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

Question 15

Technician A says that the paint code for vehicles may be located on the driver's side B pillar. Technician B says that the paint code is located on the rear of the driver side door . Who is correct?

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

Question 16

Technician A says that a respirator is needed when spraying waterborne paint. Technician B says that protective Nitrile gloves should be used when working with paint and solvents. Who is correct?

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

Question 17

Technician A says light passing through a prism breaks white (natural) light into the six individual primary colors. Technician B says the light of the color being viewed is reflected and all the others are absorbed, giving us the color we see. Who is correct?

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

Question 18

Technician A says that keeping the scale clean will help with paint mixing accuracy. Technician B says that when mixing a paint color formula, any paint spilled on the scale, while pouring into the mixing cup can produce a color mismatch. Who is correct?

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

Question 19

One of the goals of a collision repair business is to return vehicles to their pre-accident condition.

Question 20

The paint department uses 3 quarts of DT 885 reducer each week, and the boss wants to take advantage of a sale and buy a year's supply of DT 885. How many gallons should he order? ____________________ gallons ( This company works 52 weeks a year)

Question 21

Explain the functions of automotive finish components (binders, pigments, solvents, and additives).

Question 22

Describe the function of "in-flight loss of solvent" when transporting a reduced finish from the paint gun to the target object and reduce the viscosity of the paint material.

Question 23

What can be done when choosing reducers and hardeners for a urethane finish in order to speed up a vehicle's cycle time?

Question 24

How does the 15⁰ rule work?

Question 25

Describe how to locate the vehicle paint code and how to convert it to a paintmaker's paint code.