問題一覧
1
prior to corrosion removal, what must be determined
allowable damage removal limits
2
what is the next step after the plotter cuts your vinyl
the undesirable material must be weeded
3
which motion should you use when removing corrosion with a hand held wire brush
linear
4
at a minimum, material data safety sheet are made available to
everyone
5
an individual item of supply that has an extendable shelf-life is considered type
2
6
after all visible corrosion is removed, how many additional mils should be removed
2
7
which formula would you use to determine maximum corrosion pit depth when using a dept gauge
(a+b)/2-c= depth
8
the distance that you hold the spray gun nozzle from the surface depends upon the
desired width of the spray pattern and type of gun used
9
an atom that has gained or lost electrons and has acquired and electrical charge is called
an ion
10
the four characteristics of hazardous waste are ignitableity, corrosivity, reactive, and
toxicity
11
low viscosity CPC are best suited for what type of application
spraying
12
what effect does low humidity have on moisture curing coating
slows the cure process
13
when preparing to mix a two-part sealant, you mix the sealant in according with the
manufaturer’s instructions
14
material compatibility refers to using a medium that will
not cause additional corrosion
15
sealants that have a long work-life normally have a
long curing period
16
the two categories that corrosion preventive coumpounds are separated into include
water displacing and non-water displacing
17
what will happe if two-component materials are not throughly mixed with each other and in the exact specified proportions
curing and adhesion problems will occur
18
at is a common cause of streaking when spraying painting
dirty air cap
19
when removing corrosion with pneumatic sander, how do you keep the sander from digging into the metal
start the sander before it touches the metal
20
metals such as stainless steel and titanium that corrode slowly are referred to as
cathodic
21
the probable cause of a protective coating spray pattern with a split spray is
air and fluid feeds not properly balanced
22
what percentage of low observable coatings must be separated as classified or unclassified prior to disposal
100%
23
when painting, what must you do just prior to primer or topcoating
perform a solvent wipe down
24
when using parallel strokes with a spray gun, the spray pattern should
overlap 50% of the previous stroke
25
what is the most common cause of coating failure
inadequate surface preparation
26
what type of spray gun is made with an external airtight container
pressure-feed
27
when would an aircraft that took off four times over salt water require a clear water rinse
after every flight
28
what do you use to fabricate a sealant removal tool
plastic
29
an individual item of supply that has a definite non-extendible period of shelf-life is considered type
1
30
what special requirements must be met when mechanically removing coatings on steel and titanium alloy
part must be grounded and area must be well be grounded
31
to clean dirt and grease from a surface to be sealed, you use
an approved solvent/cleaner
32
solid waste can be any material that is essentially waste-like, abandoned, or
recycled
33
when preforming a corrosion inspection, which tool would you use to dislodge blisters or bubbles
plastic scraper
34
what is the first step in a general corrosion insp
ensure the area has been thoroughly cleaned
35
90 day accumulation sites for haz waste containers should be able to contain the volume of
a largest container or 10%of the volume of the container, whichever is greater
36
the type of chemical remover to be used depends on the
type of organic finish system to be removed
37
before applying an aerodynamic smoothing coumpound to repair seams
clean the area with approved solvents
38
he purpose of adding pigment to paint is to develop
color
39
standards for paint such as color, drying time, and adhesion are stipulated by the
military specification
40
what is the last step in the general corrosion removal process
treat the surface and apply protective coating
41
what conditions do you consider when you are choosing a cleaning method
type of metal and degree of cleaning required
42
what is the minimum number of readings you need to take when using a wet film gauge to measure coating thicknesses
6
43
when the TO calls for a permanent type of seal between two parts, you install a
faying surface seal
44
the paint edges around the chemically stripped areas are feathered in order to
ensure a smooth, overlapping transition between the old and new paint surface
45
using a #2 zahn cup, how is the viscosity expressed
seconds through the cup
46
how often should haz waste containers be insp for release problems
weekly
47
on fixed-wing aircraft, the national star insignia is listed on the
upper left and lower right of the wings, and both sides of the fuselage
48
what type of seal is produced by sandwiching sealant between mating surfaces
faying
49
when should you dismantle a spray gun
after each use
50
what is the first step when preparing a part for blasting in the plastic meds blasting booth
thoroughly clean the substrate
51
pitting corrosion of aluminum or magnesium is first noticed as
white powdery deposits
52
what is their rate of corrosion when the anode is smaller, in relation to the cathode in the electrochemical corrosion cell
rapid and severe
53
what is the coarsest grit of abrasive paper that should be used to scuff-sand an already coated aircrat
120
54
when using the plastic media blasting cabinet blaster, check the media level
prior to use
55
corrosion in an electrochemical cell always starts an the
surface of the metal
56
after checking the shelf life of your coating material you should
mix the material per manufacturers instruc
57
the method you use to remove excess aerodynamic smoothing compound from seams depends on the
hardness of the compound
58
which is not a reason for immediate cleaning
poor aerodynamic smoothness
59
on a polished surface, uniform surface corrosion is first seen as
general dulling of the surface
60
when do you mix chemical paint remover
immediately before use
61
sone metals have the ability to become electrochemically inactive or passive under certain conditions because of the formation of
oxide film
62
when inspecting exhaust path.s for corrosion, what areas should be inspected because they cannot be reached with normal cleaning
seams and fairings
63
corrosion that appears as blistering, exfoliation, and scaling or flaking is classified as
severe