2106

Question 1

The term composite is used to describe two or more
materials that are combined to form a structure that is
much stronger than the individual components.

Answer 1

Composite Structure

Question 2

The simplest composite is composed of two elements:

Answer 2

Matrix and Reinforcing Materials

Question 3

is generally in a liquid form that
serves as a bonding substance.

Answer 3

Matrix

Question 4

is a solid form that provide the primary structural strength to the composite structure when combined in
a matrix

Answer 4

Reinforcing Materials

Question 5

This manual developed by the aircraft Manufacturers that includes information prepared for the AMT or technicians who performs work on units, components and system while they are installed on the airplane.

Answer 5

AIRCRAFT MAINTENANCE MANUAL.

Question 6

a chemical additives that quicken cure, or chemical reactions.

Answer 6

Accelerator

Question 7

A material that are mixed into a two –part resin system to improve the properties of the systems.

Answer 7

Additives

Question 8

A substance that is applied to two mating surfaces to bond them together by surface attachments.

Answer 8

Adhesive

Question 9

Fibrous materials embedded in a resin matrix. The term
ADVANCED applied those materials, which have superior strength and stiffness and the process in which they are manufactures

Answer 9

Advance Composite

Question 10

The weight of the fiber reinforcement per unit area of tape of fabric.

Answer 10

Area Weight

Question 11

The term composite is define in FAA AC 4-214. A combination of two or more materials (reinforcing elements, fillers, and composite matrix binder), differing in form or composite on on a macro-scale.

Answer 11

Composite

Question 11

A manual developed BY THE COMPONENT manufacturer and frequently adopted by the airframe manufacturer. A CMM is most frequently not approved by the FAA. Blanket approval comes through the AMM and SRM.

Answer 11

Component Maintenance Manual

Question 12

The resistance to resist the crushing force.

Answer 12

Compressive Strength

Question 13

An impurity of foreign substance present in the materials or environment that affects one or more property es of the materials, particularly adhesion.

Answer 13

Contaminant

Question 14

A compression damage of the core.

Answer 14

Core Crush

Question 15

to change the physical properties of the material by chemical reaction, by the application of catalyst , heat and pressure , alone or in combination.

Answer 15

Cure

Question 16

Individual fibers woven together to produce cloth.

Answer 16

Fabric

Question 17

Single strands of materials used reinforcement because of its high strength and stiffness

Answer 17

Fiber

Question 18

A require document which is produced by the manufacturer. It has the parts and their part numbers exploded for identification.

Answer 18

ILLUSTRATED PARTS CATALOG.

Question 19

One Fabric resin layer that is bonded to adjacent layers in the curing process.

Answer 19

Laminate

Question 20

Persons performing a repair or alteration under parts 121 and 135, or repair stations certificated under part 145. As used in this AC, this term includes Maintenance Repair Organization(MRO), certificated repair stations (CRS), and operators’ maintenance facilities.

Answer 20

Maintenance Organization

Question 21

The alignment of the fibers to the baseline set by the manufacturer for the perpendicular component

Answer 21

Orientation

Question 22

The length of time that the resin, mixed with catalyst will be in a workable state.

Answer 22

Pot Life

Question 23

a manual which developed by the manufacturer to cover all items not listed as minor, maintenance , including instructions for structural repair, major component removal, installation and adjustment set up. Etch.

Answer 23

Structural Repair Manual

Question 24

The life span that a product will remain useful, and in FAA AC 43-214 define shelf life as the length of time a raw material may be in storage under specific conditions and still meet the requirements of the applicable material specification, also known as storage life.

Answer 24

Shelf Life

Question 25

The cumulative length of time a material may be out of freezer storage, prior to curing, and still maintain the required processability characteristics and mechanical properties.

Answer 25

Out Life

Question 26

Types of Reinforcing Materials

Answer 26

Fiber Glass, Aramid, Carbon, Boron, Ceramic

Question 27

Is made from a small strands of molten silica glass that are spun together & woven into cloth.

Answer 27

Fiberglass

Question 28

3 Common Types of Fiberglass

Answer 28

E-glass S-glass C-glass

Question 29

is a registered trademark of the El DuPont company and its most widely used Aramid.

Answer 29

Kevlar

Question 30

Grade of a Kevlar fibers

Answer 30

Kevlar grade 49 Kevlar grade 29 Kevlar grade 129

Question 31

Is a very strong, stiff reinforcement and used for its rigid strength characteristics.

Answer 31

Carbon

Question 32

are made by depositing the element boron on a thin filament of tungsten

Answer 32

Boron

Question 33

are used when a high temperature application is needed.

Answer 33

Ceramic

Question 34

A manufacturer can design a part by using different types of fiber combination (hybrid) to tailor a part for strength or to reduce cost.

Answer 34

Hybrids

Question 35

What are the types of Hybrid

Answer 35

Intraply hybrid Interply hybrid Selective placement

Question 36

utilize reinforcing material that is woven from two or more different fibers.

Answer 36

Intraply hybrid

Question 37

uses two or more layers of different reinforcing materials that are laminated together.

Answer 37

Interply Hybrid

Question 38

Fibers may be selectively place to give greater strength , flexibility or reduced cost.

Answer 38

Selective Placement

Question 39

Fabric Style

Answer 39

1) Non-Woven Fabric/ Unidirectional Fabric 2) Woven fabric / BI DIRECTIONAL FABRIC 3) Mat

Question 40

Manufacturers construct honeycomb from the ff:

Answer 40

* Aluminum * Kevlar * Carbon * Fiberglass * Paper * Steel

Question 41

This core materials consist of six sided shape of a natural honeycomb, which provide a core with a very high strength to weight ratio

Answer 41

Honeycomb

Question 41

is a paper impregnated material which is widely used as an advance composite core material

Answer 41

NOMEX

Question 42

Kinds of a Resin systems

Answer 42

--Polyester resin systems -Epoxy resin systems -Polybutadiene resins Polyester resin systems

Question 43

used heat to form and set the shape of the part permanently

Answer 43

Thermoset

Question 44

Thermoplastic c resins use heat to form the part into the desired shape is heated a second time, it will flow to form another shape

Answer 44

Thermoplastics

Question 45

Resin marix are two-part systems consisting of the ff:

Answer 45

Resin and Hardener/Curing agent

Question 46

This fabric are woven together in a number of weaves and weights and are more resistant to fiber breakout, delamination, and more damage tolerant than unidirectional materials

Answer 46

Woven Fabric

Question 47

This fiber orientation in which all of the major fibers run in onedirection , giving strength in that direction is known as the unidirectional or the non woven fabric.

Answer 47

Non Woven

Question 48

plain, satin, crowfoot

Answer 48

Weaves

Question 49

is measure in thousandths of an inch or millimeters

Answer 49

Thickness

Question 50

is measured in ounces per square yards, or a gram per square meter

Answer 50

Weight

Question 51

is the number of yarns per inch of width in the warp and fill direction

Answer 51

Count

Question 52

s the yield or denier, twist and ply level

Answer 52

Yarn Construction

Question 53

not as strong as a unidirectional or woven fabric , and therefore is not commonly used in a repair work.

Answer 53

Mat

Question 54

is at 45 to a warp threads, and can be formed into contoured shapes .

Answer 54

Bias

Question 55

The threads that run the length of the fabric as it comes off the bolt and designated at 0 , more threads and stronger than fill directions

Answer 55

Warp

Question 56

Are those that run perpendicular to the warp fibers, designated as 90 and ____ are the threads that interweave with the warp threads.

Answer 56

Weft

Question 57

It is parallel to the warp threads, and its been removed for all fabrication and repair works.

Answer 57

SELVAGE EDGE

Question 58

are the fabrics that have the resin system already impregnated into the fabric.

Answer 58

Pre-preg

Question 59

Parts of Honeycomb

Answer 59

Facesheet, adhesive and honeycomb

Question 60

The two most common types of core materials utilized in sandwich construction

Answer 60

Honeycomb and foam cores