AMT 111 FINAL EXAM WITH ALL CORRECT & 100%
VERIFIED ANSWERS|LATEST UPDATE|ALREADY GRADED
A+
The primary load carrying element of the composite material is ✔Correct Answer-the fiber
It is critical during a repair to replace each damaged ply with ✔Correct Answer-a ply of the same
material and same orientation
Warp is a long the fiber's (longitude or latitude) ✔Correct Answer-longitude
Prepreg is material where the resin is ✔Correct Answer-already applied to the fiber
The two main types of fiberglass are ✔Correct Answer-S-glass and E-glass
Which of the main fiberglass types is higher strength? ✔Correct Answer-S-glass
Another name for Kevlar is ✔Correct Answer-Aramid fiber
Composites are protected from lightning with a ✔Correct Answer-ply of conductive material
What is a major problem when using carbon fibers with metals? ✔Correct Answer-galvanic
corrosion
Lighting protection layers are a (conductor or insulator) ✔Correct Answer-conductor
Which are stronger, polyester resins or epoxy resins? ✔Correct Answer-epoxy
The middle of a composite sandwich structure is a called the ✔Correct Answer-core material
A part with too much resin is called ✔Correct Answer-resin rich
A part with too little resin is called ✔Correct Answer-resin starved
Visual inspection (is or is not) used to find internal flaws in composites ✔Correct Answer-is not
Coin tapping (is or is not) used to find internal flaws in composites ✔Correct Answer-is not
What technique uses atmospheric pressure to clamp together repairs? ✔Correct Answer-vacuum
bagging
What repair material is easy to remove and leaves a clean surface for bonding? ✔Correct Answer-
peel ply
What repair material is used to create a path for the air and volatiles to escape from the repair?
✔Correct Answer-bleeder ply
, What repair material is used to provide a path for air to get out of a vacuum bag? ✔Correct Answer-
breather material
What is used to cure composites with heat and pressure? ✔Correct Answer-autoclave
What is the repair method that completely encloses an item in a vacuum bag? ✔Correct Answer-
envelope bagging
Radome repairs often (use or don't use) carbon fiber ✔Correct Answer-don't use
To insure the radar signal is transmitted properly, a test ? is conducted on a radome. ✔Correct
Answer-transmissivity
What type of plastic doesn't soften appreciably with heat? ✔Correct Answer-thermosetting plastics
What type of plastic does soften appreciably with heat? ✔Correct Answer-thermoplastic
Transparent thermoplastic sheets (are or are not) stored with paper masking ✔Correct Answer-are
Transparent thermoplastic sheets are not stored vertically to prevent? ✔Correct Answer-buckling
The drill bit for transparent plastics has a rake angle of ✔Correct Answer-zero
Transparent plastics should be washed with ✔Correct Answer-soap and water
Plastics expand and contract (more or less) than metals. ✔Correct Answer-more
the number one rule when making a composite structure repair is ✔Correct Answer-RTFM
? is the kind of stress applied when an object is squeezed ✔Correct Answer-compression
glass fibers that produce stronger structures are made of ✔Correct Answer-s-glass
kevlar fabric is noted for being flexible or stiff? ✔Correct Answer-flexible
graphite fabric is noted for being flexible or stiff? ✔Correct Answer-stiff
corrosion can be a problem with aluminum alloys when bonded with fiberglass or graphite
✔Correct Answer-graphite
simple delamination test on composite is to tap it with the edge of a ✔Correct Answer-coin
fiber tape is unidirectional or bidirectional ✔Correct Answer-unidirectional
what tool is used to align the fabric's orientation ✔Correct Answer-warp clock
nickel-coated graphite and metal mesh are examples of ✔Correct Answer-lightning protection
random fiber orientation often is or isn't used in aircraft structures ✔Correct Answer-isn't
VERIFIED ANSWERS|LATEST UPDATE|ALREADY GRADED
A+
The primary load carrying element of the composite material is ✔Correct Answer-the fiber
It is critical during a repair to replace each damaged ply with ✔Correct Answer-a ply of the same
material and same orientation
Warp is a long the fiber's (longitude or latitude) ✔Correct Answer-longitude
Prepreg is material where the resin is ✔Correct Answer-already applied to the fiber
The two main types of fiberglass are ✔Correct Answer-S-glass and E-glass
Which of the main fiberglass types is higher strength? ✔Correct Answer-S-glass
Another name for Kevlar is ✔Correct Answer-Aramid fiber
Composites are protected from lightning with a ✔Correct Answer-ply of conductive material
What is a major problem when using carbon fibers with metals? ✔Correct Answer-galvanic
corrosion
Lighting protection layers are a (conductor or insulator) ✔Correct Answer-conductor
Which are stronger, polyester resins or epoxy resins? ✔Correct Answer-epoxy
The middle of a composite sandwich structure is a called the ✔Correct Answer-core material
A part with too much resin is called ✔Correct Answer-resin rich
A part with too little resin is called ✔Correct Answer-resin starved
Visual inspection (is or is not) used to find internal flaws in composites ✔Correct Answer-is not
Coin tapping (is or is not) used to find internal flaws in composites ✔Correct Answer-is not
What technique uses atmospheric pressure to clamp together repairs? ✔Correct Answer-vacuum
bagging
What repair material is easy to remove and leaves a clean surface for bonding? ✔Correct Answer-
peel ply
What repair material is used to create a path for the air and volatiles to escape from the repair?
✔Correct Answer-bleeder ply
, What repair material is used to provide a path for air to get out of a vacuum bag? ✔Correct Answer-
breather material
What is used to cure composites with heat and pressure? ✔Correct Answer-autoclave
What is the repair method that completely encloses an item in a vacuum bag? ✔Correct Answer-
envelope bagging
Radome repairs often (use or don't use) carbon fiber ✔Correct Answer-don't use
To insure the radar signal is transmitted properly, a test ? is conducted on a radome. ✔Correct
Answer-transmissivity
What type of plastic doesn't soften appreciably with heat? ✔Correct Answer-thermosetting plastics
What type of plastic does soften appreciably with heat? ✔Correct Answer-thermoplastic
Transparent thermoplastic sheets (are or are not) stored with paper masking ✔Correct Answer-are
Transparent thermoplastic sheets are not stored vertically to prevent? ✔Correct Answer-buckling
The drill bit for transparent plastics has a rake angle of ✔Correct Answer-zero
Transparent plastics should be washed with ✔Correct Answer-soap and water
Plastics expand and contract (more or less) than metals. ✔Correct Answer-more
the number one rule when making a composite structure repair is ✔Correct Answer-RTFM
? is the kind of stress applied when an object is squeezed ✔Correct Answer-compression
glass fibers that produce stronger structures are made of ✔Correct Answer-s-glass
kevlar fabric is noted for being flexible or stiff? ✔Correct Answer-flexible
graphite fabric is noted for being flexible or stiff? ✔Correct Answer-stiff
corrosion can be a problem with aluminum alloys when bonded with fiberglass or graphite
✔Correct Answer-graphite
simple delamination test on composite is to tap it with the edge of a ✔Correct Answer-coin
fiber tape is unidirectional or bidirectional ✔Correct Answer-unidirectional
what tool is used to align the fabric's orientation ✔Correct Answer-warp clock
nickel-coated graphite and metal mesh are examples of ✔Correct Answer-lightning protection
random fiber orientation often is or isn't used in aircraft structures ✔Correct Answer-isn't
