PAINTING AND REFINISHING QUESTIONS AND ANSWERS

PAINTING AND REFINISHING
QUESTIONS AND ANSWERS


The9air9pressure9at9the9inlet9of9an9HVLP9gun9is9normally9between:
A.910-309psi
B.930-509psi
C.950-709psi
D.9none9of9the9above9-9ans-
The9correct9answer9is9B.9Inlet9pressure9on9HVLP9equipment9is9supposed9to9b
e9at9309-
9509pounds9per9sq.9inch,9and9the9reduction9in9pressure9occurs9within9the9step
9down9passages9in9the9body9of9the9HVLP9gun.

Painter9A9says9primer-
surfacer9will9dry9faster9if9sprayed9in9coats9with9flash9time9between9coats.9Paint
er9B9says9they9will9be9less9bridging9if9all9the9primer-
surfacer9is9sprayed9on9in9one9operation.9Who9is9right?
A.9Painter9A9only
B.9Painter9B9only
C.9Both9A9and9B
D.9Neither9A9or9B9-9ans-
The9correct9answer9is9a9period9allowing9flash9time9between9coats9gives9the9so
lvent9in9the9paint9a9chance9to9escape9from9each9application,9resulting9in9a9fas
ter9overall9dry9time9and9no9risk9of9trapping9solvents9under9several9heavy9coats
9in9sequence.9Also,9if9paint9is9allowed9flash9time9between9coats,9the9material9
will9tend9not9to9run9out9of9surface9scratches.

The9door9shown9above9has9a9large9number9of9paint9chips,9but9no9dents.9The
9paint9is9the9original9finish.9Painter9A9says9that9the9chips9could9be9filled9with9
an9application9of9polyester9glazing9putty9before9refinishing.9Painter9B9says9that
9the9chips9should9be9sanded9out9before9refinishing.9Who9is9right?9-9ans-
Either9operation9is9acceptable.9However,9a9polyester9glazing9putty9works9faster.

Which9of9these9procedures9would9help9find9pits,9blisters9in9small9shrunken9imp
ressions9on9a9plastic9repaired9area9after9priming?
A.9Blowing9and9dusting9the9repaired9area
B.9Wire9brushing9and9dusting9the9repaired9area
C.9Block9sanding9the9area9with9a9medium-grit9paper

,9D.9wiping9off9the9repaired9area9with9thinner9-9ans-
The9correct9answer9is9C.9They9even,9uniform9surface9of9a9sanding9block9will9
highlight9high9spots9and9outline9depressions.

Painter9A9says9that9if9one9of9the9air9holes9labeled9'A'9is9partly9black9with9drie
d9paint,9it9will9cause9the9spraygun9pattern9shown9above.9Painter9B9says9that9i
f9the9paint9hole9labeled9'B'9is9partly9blocked9with9dried9paint,9it9will9cause9the
9spraygun9pattern9shown9above.9Who9is9right?
A.9Painter9A9only
B.9Painter9B9only
C.9Both9A9and9B
D.9Neither9A9or9B9-9ans-
The9correct9answer9is9a.9The9holes9emit9A9stream9of9air9that9defines9the9sha
pe9of9the9spray9pattern.9While9clogging9of9the9hole9from9which9paint9fluid9is9d
riven9will9cause9irregularities9in9the9paint9fan9pattern,9the9deformation9in9the9ill
ustration9is9caused9by9clogging9of9air9holes

An9application9of9a9base9coat9metallic9color9has9been9made9in9which9streaks9
indicate9each9pass9of9the9spray9gun.9Which9of9the9following9is9the9MOST9likel
y9cause?
A.9Too9much9drying9time9in9between9coats
B.9using9too9high9an9air9pressure
C.9Wrong9temperature9reducer
D.9Improper9overlap9with9spray9pattern9-9ans-
The9correct9answer9is9D.9The9pattern9liked9the9overlap9necessary9to9reduce9u
niform9results.

Which,9if9any,9of9these9is9the9best9way9to9prepare9an9old,9grainy,9thick9paint9
for9spraying?
A.9Strain9and9reduce
B.9Strain9and9over9reduce
C.9Strain,9over-reduce9and9then9strain9again
D.9None9of9these;9dispose9of9the9paint9-9ans-
The9correct9answer9is9D.9Deceiving9to9get9by9trying9to9use9bad9material9will9
be9lost9in9the9redo9cost.9Dispose9of9bad9product9in9a9responsible9manner.

The9vehicle9was9just9sprayed9with9a9self-
etching9primer.9Painter9A9says9it9should9now9be9sanded9with9400-
grit9sandpaper.9Painter9B9says9180-grit9should9be9used9instead.9Who9is9right?
A.9Painter9A9only9
B.9Painter9B9only
C.9Both9A9and9B
D.9Neither9A9or9B9-9ans-
The9correct9answer9is9D.9Neither9Painter9is9correct.9Self-
etching9primer9is9typically9not9sanded.9Successive9coats9can9be9applied9wet-
on-wet.

, Which9of9the9following9may9cause9solvent9popping?
A.9Painting9over9rust9spots
B.9Insufficient9flash9time9for9undercoats
C.9Using9the9wrong9primer
D.9Applying9topcoat9too9wet9-9ans-
The9correct9answer9is9B.9Insufficient9flash9times9will9trap9solvents9in9the9paint
9film,9which9will9literally9blow9holes9in9the9topcoat9finish9as9the9vapors9escape
.

The9repaired9and9primed9areas9of9a9vehicle9that9were9refinished9with9metallic9
basecoat/
clearcoat9show9through9the9paint9finish9in9a9shadowy9manner9when9the9vehicle
9is9in9direct9sunlight.9Painter9A9says9that9not9mixing9enough9catalyst9in9the9p
ain9before9application9could9be9the9cause.9Painter9B9says9that9failure9to9apply
9a9solid9color9base9before9refinishing9could9be9the9cause.9Who9is9right?
A.9Painter9A9only
B.9Painter9B9only
C.9Both9A9and9B
D.9Neither9A9or9B9-9ans-
The9correct9answer9is9B.9Applying9a9solid9base9color9are9using9attended9prime
r9Will9improve9hiding9of9metallic9topcoats.

The9next9two9questions9are9based9on9the9following9color:9Medium9Shadow9Blu
e9Metallic9is9composed9of90019Blue921.1g9,90029LS9White916.7g,90039HS9Bla
ck913.5g,90049Magenta98.0g,90059Medium9Fine9Aluminum97.9g,9and90069Medi
um9Course9Aluminum96.9g.9The9vehicle9is9redder9than9the9paint9mix.

Painter9A9says9to9add9more9Magenta9to9the9paint9mix.9Painter9B9says9to9add
9more9Blue.9Who9is9right?
A.9Painter9A9only9
B.9Painter9B9only
C.9Both9A9and9B
D.9Neither9A9or9B9-9ans-
The9correct9answer9is9a.9The98.09grams9of9magenta9Tent9in9the9mix9give9the
9color9is9red9characteristics.9Addie9Magenta9will9make9the9color9better.9Adding
9blue9to9the9mix9well9counteract9the9red.

The9next9two9questions9are9based9on9the9following9color:9Medium9Shadow9Blu
e9Metallic9is9composed9of90019Blue921.1g9,90029LS9White916.7g,90039HS9Bla
ck913.5g,90049Magenta98.0g,90059Medium9Fine9Aluminum97.9g,9and90069Medi
um9Course9Aluminum96.9g.9The9vehicle9is9redder9than9the9paint9mix.

after9the9color9was9adjusted,9the9car9was9lighter9than9the9paint9mix.9Painter9A
9says9to9add9some9LS9white.9Painter9B9says9to9add9Medium9Fine9Aluminum9l
.9Who9is9right?