Deck 27: Surface Preparation and Masking

Question 1

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.

Answer 1

True

Question 2

Very fine grit is used for rough sanding and rapid body filler shaping and to initially level and contour a large area of body filler.

Answer 2

False

Question 3

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

Answer 3

True

Question 4

While having a discussion, Technician A says that a grinder should be used to remove paint from vehicles.Technician B says that the heat from grinding can warp the panel and thin the metal.Who is correct?

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

Question 5

____ chemically eat into the bare metal to improve paint adhesion and corrosion resistance while also priming the surface.

A) Sand blasting
B) Pressure blasters
C) Self-etch primers
D) Siphon blasters

Question 6

Using too much glazing putty indicates a substandard repair.

Question 7

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

Question 8

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

A) Final sanding
B) E-coating
C) Metal conditioning
D) Soda blasting

Question 9

A(n) ____ is a paintable primer and is an essential part of the factory corrosion protection warranty on new factory panels and parts.

A) reverse coat
B) E-coat
C) blaster
D) shipping coat

Question 10

A(n) ____ is an acid-type chemical wash that eats away any material that might prevent a good primer-to-metal bond.

A) metal conditioner
B) blaster
C) E-coat
D) bull's-eye

Question 11

____ uses hard silica sand to abrade off the old paint.

A) Final sanding
B) Sand blasting
C) Shipping coating
D) Masking

Question 12

While having a discussion, Technician A says that the use of too much glazing putty indicates a substandard repair.Technician B says that spot putty should only be used on very small pinholes and other tiny surface problems.Who is correct?

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

Question 13

The chemical mil gauge has a spring-loaded magnet with a ruler-type scale for checking paint thickness.

Question 14

In a ____,compressed air draws the abrasive from the reservoir by producing a suction, or vacuum, at the blaster head.

A) bull's-eye blaster
B) final sanding
C) siphon blaster
D) pressure blaster

Question 15

Soda media blasting uses small plastic pebbles or beads to remove the old finish.

Question 16

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

Question 17

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

A) Motor mounts
B) Calipers
C) Casters
D) Blasters

Question 18

Some aftermarket panel or part suppliers protect new panels with a nonpaintable ____.

A) spot putty
B) E-coat
C) metal conditioner
D) shipping coat

Question 19

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

Question 20

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

Question 21

____ 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.

A) Final sanding
B) Surface scuffing
C) Foam backing
D) Masking

Question 22

The term _________________________ refers to getting a body surface clean, smooth, primed, puttied, sanded, scuffed, and wiped clean to ready it for painting.

Question 23

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

Question 24

____________________ is the time needed for a fresh coat of sprayed material to partially dry or cure.

Question 25

The term MOST-Likely used to describe an opening in the masking material that allows paint overspray to hit and coat parts that were not supposed to be painted is:

A) a masking leak problem
B) double masking
C) back masking
D) overmask problem

Question 26

Which of the following statements is LEAST-Likely true?

A) Use paint reducer or solvent to clean vehicle surfaces
B) You should keep the paint booth as clean as a hospital operating room.
C) When wiping down a vehicle body, use a lint-free rag or towel.
D) To remove any last trace of moisture and dirt from seals and moldings, carefully blow them out with compressed air at low pressure.

Question 27

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

A) Final sanding
B) Surface scuffing
C) Masking
D) Blasting

Question 28

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

A) the spot putty
B) primer masking paper
C) paint masking paper
D) fine line masking tape

Question 29

____________________ is needed anywhere water leakage might be a problem between panel joints - often on welded panels forming the passenger compartment and trunk areas.

Question 30

A(n) ____ should be used when power sanding crowned surfaces or when final sanding.

A) blaster
B) adhesion promoter
C) masking rope
D) foam backing pad

Question 31

All of the following are called compounding sandpapers EXCEPT:

A) #1200
B) #1500
C) #2000
D) #2500

Question 32

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

A) the disc sander
B) the dual action sander
C) the long orbital sander
D) the orbital sander

Question 33

If the successive layers of paint are not properly tapered, a depression called a(n) ____________________ will show up under the freshly painted finish

Question 34

Which of the following statements is LEAST-Likely true?

A) Blend masking, is done by rolling the tape over and into a curved shape to prevent a visible paint parting line along the masking tape.
B) Blend masking requires you to fold the masking paper back and over the masking tape.
C) Reverse masking is often used during spot repairs to help blend the painted area and make it less noticeable.
D) Masking tape is also called aperture tape.

Question 35

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

A) Masking leak problem
B) Double masking
C) Back masking
D) Overmask problem