2-50.
Relative to handling and storage of
2-51.
2-52.
2-53.
sheets of plastic, which of the
following statements is NOT
correct?
1.
Plastic sheets should be stored
in bins that are tilted away
from the vertical
2.
Plastic sheets should be stored
in a cool, ventilated area in
order to reduce the potential
fire hazard
3.
If the plastic sheets are
stored horizontally, the
smaller sheets should be
stacked upon the larger ones
4.
If the plastic sheets are
placed on a table prior to
shaping, the table must be
cleaned thoroughly
If long or improper storage has
caused the adhesive to deteriorate
on a sheet of plastic, the masking
paper should be moistened with what
chemical?
1.
Ether
2.
Xylene
3.
Glass cleaner
4.
Aliphatic naphtha
What primary characteristic makes
reinforced plastic a particularly
ideal material from which to
construct radomes?
1.
Dielectric property
2.
Ease of fabrication
3.
High strength/weight ratio
4.
Resistance to mildew and rot
Which of the following resins are
thick, syrupy liquids used in the
manufacture of reinforced plastic?
1.
Pressure resin
2.
Heat-pressure resin
3.
Contact-pressure resin
4.
Noncontact-pressure resin
2-54.
In various aircraft structural
components, which of the following
materials is replacing and
supplementing metallic materials?
1.
Rubber material
2.
Plastic material
3.
Sandwich material
4.
Composite material
2-55.
Numerous combinations of composite
materials are being studied and
used, but because of cost, the
trend is toward a minimum use of
which of the following materials?
1.
Boron/epoxy
2.
Kevlar®/epoxy
3.
Aluminum/epoxy
4.
Graphite/epoxy
2-56.
Advanced composites have given
composite materials structural
properties superior to the metal
alloys they have replaced?
1.
True
2.
False
2-57.
What are the two broad classes of
sandwich components?
1. Radomes and doors
2.
Stabilizer and radomes
3.
Radomes and structural
4.
Stabilizer and trim tabs
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