IN ANSWERING QUESTION 13-47, REFER TO
FIGURE 14-17 IN THE TEXTBOOK.
13-47.
The corners of the rectangular
cutout must have what minimum
radius?
1.
1/8 in.
2.
1/4 in.
3.
3/8 in.
4.
1/2 in.
13-48.
You are repairing a balsa wood
core component.
When you use two
rows of rivets, the inner patch
should overlap the hole in the
core by what prescribed amount?
1.
1 in.
2.
2 in.
3.
3 in.
4.
4 in.
IN ANSWERING QUESTION 13-49, REFER TO
TABLE 14-1 IN THE TEXTBOOK.
13-49.
13-50.
13-51.
13-52.
Which of the following components
of SH-60B aircraft are
manufactured from advanced
composite materials?
1.
The gearboxes
2.
The scarf joints
3.
The upper canopies
4.
The horizontal stabilizers
Which of the following factors is
a disadvantage of advanced
composite materials over metals?
1.
Repair capability
2.
Expense of materials
3.
Corrosion resistance
4.
Weight of the material
In an advanced composite material,
what is the homogeneous resin
binder known as?
1.
Pulp
2.
Paste
3.
Matrix
4.
Laminate
The damage to advanced composite
materials may be categorized in
which of the following ways?
1.
Natural
2.
Organic or physical
3.
Organic or environmental
4.
Physical or environmental
13-53.
When performing a tap test on
advanced composite materials, you
should use a hammer that weighs
about 3 ounces.
1.
True
2.
False
13-54.
A section of advanced composite
material has water trapped in the
honeycomb area. This is what class
of repairable damage?
1.
Class IV
2.
Class V
3.
Class VI
4.
Class VII
13-55.
The drill motors used on advanced
composite materials should be
capable of what maximum speed?
1.
5,000 rpm
2.
6,000 rpm
3.
7,000 rpm
4.
8,000 rpm
13-56.
When working with advanced
composite materials, which of the
following personnel hazards should
be your principal concern?
1.
Contact with the dust on your
hands
2.
Contact with the matrix on
your clothing
3.
Inhalation of airborne dust
and fibrous particles
4.
Inhalation of fumes before the
matrix has completely cured
13-57.
The flashpoints of solvents and
resins for composite materials are
usually around what minimum
temperature?
1.
500°F
2.
200°F
3.
300°F
4.
400°F
13-58.
On Navy aircraft, the paint system
is identified with a stencil or
decal at what location?
1.
On the right side of the aft
fuselage
2.
On the left side of the aft
fuselage
3.
On the right side of the upper
wing
4.
On the left side of the upper
wing
71
