Deck 20: Restoring Corrosion Protection

Question 1

____ can be quickly applied to bare metal to treat minor surface rust and also to provide a protective paint film that seals out moisture.

A) Hot-melt "wax" coatings
B) Rust preventative paint
C) Powder coatings
D) Electrocoat

Answer 1

B

Question 2

____ is the oxidation and chemical change of metal.

A) Galvanizing
B) Undercoating
C) Industrial fallout
D) Corrosion

Answer 2

D

Question 3

Anticorrosion compounds can undercoat, sound-deaden, and completely seal large surface areas from the destructive causes of rust and corrosion.

Answer 3

True

Question 4

Anticorrosion compounds are additional coatings applied over and under the paint film.

Question 5

____ is a rubberized coating often used along the lower rocker panel to protect the paint and body from stone chips.

A) Rust converter
B) Self-etching primers
C) Two-part epoxy primers
D) Chip guard

Question 6

____ are dry thermoplastic powders or finely ground particles applied to the surface of the object.

A) Hot-melt "wax" coatings
B) Rust preventative paint
C) Powder coatings
D) Electrocoat

Question 7

There are two general types of rust conversion coatings: a wipe-and-rinse acid wash and an easier-to-use spray-on rust treatment.

Question 8

____ etch the bare metal to improve paint adhesion and corrosion resistance, while providing the priming and filling properties of primer-surfacers.

A) Weld-through primer
B) Self-etching primers
C) Two-part epoxy primers
D) Undercoat

Question 9

____ is the process of coating steel with zinc.

A) Metal treating
B) Galvanizing
C) Corrosion
D) Industrial fallout

Question 10

Two-part epoxy primers work best on lightly sanded surfaces where a slight-to-moderate amount of filling is required.

Question 11

____ prevents the penetration of water or mud into panel joints and serves the important role of preventing rust from forming between adjoining surfaces.

A) Weld-through primer
B) Metal treating
C) Sealant
D) Undercoat

Question 12

If you fail to restore proper corrosion protection, it can endanger the driver and passengers of the vehicle.

Question 13

Rustproofing is often a joint task or effort of both the collision repair and paint technicians.

Question 14

Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used.

Question 15

____ are thermoplastic corrosion-prevention compounds consisting of solvent or waterborne materials.

A) Hot-melt "wax" coatings
B) Rust preventative paint
C) Powder coatings
D) Electrocoat

Question 16

____ is used to provide anticorrosion protection to weld zones.

A) Weld-through primer
B) Self-etching primer
C) Sealant
D) Undercoat

Question 17

Powder coating is a process wherein electrically charged paint particles are deposited out of a water suspension to coat a conductive metal body part.

Question 18

____ provide very strong base coating with good adhesion to bare metal.

A) Weld-through primer
B) Self-etching primers
C) Two-part epoxy primers
D) Undercoat

Question 19

A temperature decrease will accelerate the rate of corrosion to those parts that are not well ventilated.

Question 20

Metal conditioners and conversion coatings are highly recommended for use inside closed sections.

Question 21

The sealer that would MOST-Likely be used on interior body seams, where appearance is not important, is:

A) a brushable seam sealer
B) a solid seam sealer
C) a thin-bodied sealer
D) a heavy bodied sealer

Question 22

_________________________ change ferrous (red) iron oxide to ferric (black/blue) iron oxide.

Question 23

_________________________ involves using various materials to protect steel body parts from rusting.

Question 24

Which of the following statements is LEAST-Likely true?

A) Most weld-through primers have poor adhesion qualities.
B) Self-etching primers etch the bare metal to improve paint adhesion.
C) Weld through primers contain acids that eat into the metal to produce better adhesion.
D) Two-part epoxy primers are mixed together and cure very quickly, which helps prevent corrosion.

Question 25

____ containing 100 percent solids are used to fill larger voids at panel joints or holes.

A) Brushable seam sealers
B) Solid seam sealers
C) Thin-bodied sealers
D) Heavy bodied sealers

Question 26

What safety rules should you adhere to when using corrosion-protection materials?

Question 27

All of the following are examples of exposed exterior surfaces EXCEPT:

A) fenders
B) quarter panels
C) door skins
D) body rails

Question 28

______________________________ are used to prevent rusting of metal parts.

Question 29

While having a discussion, Technician A says that when doing auto corrosion protection, latex-based seam sealers designed for home use can be used without any problems.Technician B says that they may draw moisture into the joint.Who is correct?

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

Question 30

While having a discussion, Technician A says that late model vehicles with two- and three-coat finishes are less susceptible to acid rain.Technician B says that it is still possible for acid rain to create a peripheral etch, or ring, on the clearcoat of these vehicles.Who is correct?

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

Question 31

Which of the following statements is LEAST-Likely true?

A) A seam sealer should be allowed to adequately dry before painting.
B) The sealer must be able to withstand the motion associated with the automobile.
C) Brushable seam sealer should be stroked in both directions only to help it match the original equipment appearance.
D) All sealants must be paintable and have good adhesion to bare and primed metal.

Question 32

The term MOST-Likely used to describe a phosphoric acid used to etch bare sheet metal before priming is:

A) a sealant
B) a metal conditioner
C) an epoxy primer
D) acid rain

Question 33

The original rustproofing was called ____________________ and it was an asphalt-based product.

Question 34

Damage from ____ is caused when small, airborne particles of iron fall on and stick to the vehicle's surface.

A) industrial fallout
B) acid rain
C) metal treating
D) galvanic corrosion

Question 35

What is the difference between a thin-bodied sealer and a heavy-bodied sealer?

Question 36

You should avoid applying corrosion protection materials to all of the following areas EXCEPT:

A) the exhaust system
B) the shift linkages
C) the transmission parts
D) the undercarriage

Question 37

_________________________ occurs when two dissimilar metals are placed in contact with each other.