Non Metallic Structures

Question 1

Most popular wood is _____

Answer 1

BALSA

Question 2

Honeycomb is made out of ____, ____, ____

Answer 2

Metal / plastic / paper

Question 3

Foam core can be made of _____ _____

Answer 3

Polyvinyl chloride

Question 4

Extruded polystyrene can be S____ H____ and should use only E______

Answer 4

Safely hotwired / Epoxies

Question 5

Polyurethane, should you hot wire?

Answer 5

NOOOO, do not hot wire ( cyanide gas )

Question 6

Polyvinyl chloride (pvc), hot wire?

Answer 6

Nooo, do not hot wire ( chlorine gas )

Question 7

Resins, primary job is to ________________

Answer 7

Carry the load from 1 fibers to the next

Question 8

Resins, its pot life is :

Answer 8

the amount of time Catalyzed resin will remain in a workable state

Question 9

Ratio of fiber to resin should be ___:___

Answer 9

60:40 fiber to resin ratio

Question 10

Micro balloons have __-__ usage

Answer 10

Non-structural

Question 11

Microballoons, slurry ratio?

Answer 11

1:1 by volume

Question 12

BONDO is also called

Answer 12

Aerodynamic body filler

Question 13

Lay-ups are ____,____,____,____,___,____

Answer 13

Warp/Woof/Weft/Fill/Bias/Selvage edge

Question 14

The strength and stiffness of a composite lay up depends primarily on the

Answer 14

Orientation of the plies to the load direction

Question 15

In regards to lay ups, you should work with (what material / fabric)

Answer 15

Dry cloth

Question 16

Corrosion resistant fasteners should be used with

Answer 16

Graphite

Question 17

What kind of test can be used to check for delamination?

Answer 17

Tap test

Question 18

In advanced composites, using materials and techniques traditionally used for fiberglass repairs, will result in ____ ____

Answer 18

UnAirworthy repairs

Question 19

To repair damaged fastener holes, use ____ or ____ __ with _____ ____

Answer 19

Flox, chopped glass, with wet resin

Question 20

When replacing a honeycomb core, the ribbon direction of the insert must be_______________

Answer 20

the same as the original core

Question 21

Less than ___”______ for potted compound repairs

Answer 21

1” diameter

Question 22

Superficial scars, scratches, etc on fiberglass laminates can be repaired by

Answer 22

Applying one or more coats of resin to the surface

Question 23

Damage that extends completely through the facing and into the core requires

Answer 23

Replacement of the core and facing

Question 24

(Vacuum bagging) bleeder ply absorbs _____ ____

Answer 24

Excess resins

Question 25

Thermosetting, requires _____ to ____

Answer 25

Heat to harden

Question 26

Thermoplastic, softens with the application of ____ and can be _____ and still _____________

Answer 26

Heat, reformed, retain their structural strength

Question 27

Acrylics, if rubbed with ______ the acrylic turns white

Answer 27

Acetone

Question 28

Cellulose acetates, ____ does not affect acetate clarity

Answer 28

Acetone

Question 29

When cementing plastics, the most common method is

Answer 29

SOAK method

Question 30

Small hairline cracks in the surface of the plastics is _____

Answer 30

Crazing

Question 31

_____ appears as areas of hazy/milky spots on the surface or within the acrylic

Answer 31

Crazing

Question 32

Seat belts must be identified by the marking _____ ____

Answer 32

TSO C22