問題一覧
1
Fabric repairs should reinstate two qualities, what are they?
Original strength and quality.
2
What type of hand stitch is commonly used for restore of fabric?
Baseball
3
What knot is commonly used in rib stitching?
Modified seine
4
What determines the spacing for rib stitching?
Airspeed
5
What two factors determine the quality and strength requirements of fabric for aircraft?
vne and wing loading
6
What is the advantage of utilizing the envelope method aircraft covering?
Speed and machine sewn seams
7
Name two methods for covering aircraft structure
Envelope and blanket
8
What can be used to ensure rib alignment when shrinking fabric?
Rib lacing
9
What must be done to structures that will come in contact with dope finishes?
Dope proof
10
What is used to reinforce drain openings on aircraft fabric?
Plastic grommets or metallic grommets
11
When sanding fabric, it is important to do what?
Wet sand and ground surface.
12
What is the purpose of silver butyrate dope in finishing fabric?
UVprotection.
13
Name three ways to mechanically bond fabric to or other underlying structure.
Stitching, screws, and clips.
14
In the covering process, when is the surface tape applied?
Last
15
What is the danger associated with cellulose nitrh dope?
Flamability
16
Name the two type of dope used in aircraft fabric
Nitrate and Butyrate
17
What is the purpose of reinforcing tapes?
Protect the fabric from being torn.
18
What is the purpose of surface tape?
Protect the underlying fabric or stitching.
19
How are polyester fabrics tautened?
Heated with irons.
20
How are cotton and linen fabrics tautened?
Tautening dopes
21
What grade cotton is required for aircraft fabric?
A
22
Define warp as related to fabric.
Length of the fabric.
23
Define fill as related to fabric.
Direction of the width.
24
Define bias as related to fabric.
Diagonal direction across the warp and fill.
25
What visual identification does certified fabric possess?
Repeated data stamps.
26
All Tabric types Contorm to an EMS Standard or installation on certificated aircraft?
False
27
What is the most extensively used synthetic fabric?
Dacron
28
Name the two organic fabrics.
cotton and linen
29
What are the two types of fabric in use for aviation?
Organic and synthetic.
30
Name the four types of machine sewn seams.
Plain lap. modifed fell, folded fell, and french fell.
31
Which statement is true regarding paint system compatibility?
Epoxy finishes can be applied over wash primer coats.
32
Fungicidal dopes are used in aircraft finishing as the?
First
33
Which of the following is a hazard associated with sanding on fabric covered surfaces during the finish process?
Fire.
34
A correct use for acetone is to
Used to wipe surfaces down.
35
Aluminum-pigment in dope is used primarily to
Add UV protection.
36
Select at least three types of protection that should be used while working with chemicals.
Eye protection, Gloves, and respirator.
37
Linen is derived from what source?
Flax plant.
38
What percentage of the original strength of fabrid must be retained to remain airworthy?
70%
39
Taughtening dopes were used to shrink organic fabrics. How are synthetic fabrics shrunk?
Heat
40
What type of solvent is used for thinning dopes?
MEK