Quiz 2

Question 1

what are the three classifications of structures

Answer 1

Primary
Secondary
Tertiary

Question 2

what are the two structural design philosophies

Answer 2

Fail safe

Damage tolerant

Question 3

what are some common causes of damage

Answer 3

Collision/Impact
over stress
corrosion
Fire

Question 4

what is transmitted damage

Answer 4

Damage that is remote from the original impact but is still directly connected

Question 5

what are the four effects of damage

Answer 5

loss of structural strength
loss of functional capacity
change of aerodynamic shape
operational interference

Question 6

what are four examples of primary structures on an aircraft

Answer 6

spars
engine mounts
landing gear
bulkheads

Question 7

damage that changes the cross sectional shape and weakens load bearing capacity is classified as what kind of damage

Answer 7

Loss of structural strength

Question 8

what is meant by a ‘fail safe’ design

Answer 8

a design with 2 load paths

Question 9

what are the two types of aircraft inspections

Answer 9

Scheduled and Non Routine

Question 10

what are the most common methods of inspection

Answer 10

visual
eddy current
ultrasonic
x-ray
dye penetrant
magnetic particle

Question 11

what are the three classifications of damage

Answer 11

Negligable
Repairable
Replaceable

Question 12

what are the types of repairs

Answer 12

temporary
typical
specific
special

Question 13

what is cladding? what purpose does it serve?

Answer 13

A thin coating of pure Aluminium on sheets of aluminium alloys

protects material against corrosion

Question 14

what are the two protective coatings sprayed over aluminium alloys? what is the difference between the two

Answer 14

Anodizing - Applied at the factory

Alodine - Applied by the AME in the field

Question 15

what is wash primer used for

Answer 15

Increased adhesion of paint

Question 16

an abrupt change in the cross sectional area of a piece of sheet metal is known as what?

Answer 16

Stress concentration or a stress riser

Question 17

what is a break? what are the three most common types

Answer 17

a machine used to bend angles into sheet metal

box & pan
cornice
press

Question 18

the part on a cornice break where material is bent around is called

Answer 18

a nose bar

Question 19

what is a slip-roll former used for

Answer 19

creating gradual curves

Question 20

what do head markings on rivets represent

Answer 20

the material the rivet is made from

Question 21

what type of rivet is never used for structural repairs

Answer 21

pop rivets

Question 22

what are the two categories of blind rivets

Answer 22

friction lock

mechanical lock

Question 23

which aluminium alloy has been annealed and needs to be stored in a freezer

Answer 23

2024 DD

Question 24

true or false

A cherry friction-lock rivet can replace a solid rivet of the same size

Answer 24

False

Question 25

True or false

a Huck-lock rivet is friction lock

Answer 25

False

Question 26

true or false

an olympic lock rivet is a mechanical lock

Answer 26

True

Question 27

what are three types of turn lock fasteners

Answer 27

Dzus
Camloc
Airloc

Question 28

what are three methods of dimpling sheet metal

Answer 28

Coin dimple
Radius dimple
Hot dimple

Question 29

the dimensions of the curvature on a bent piece of sheet metal is known as

Answer 29

Bend allowance

Question 30

what are lightening holes? why are they flanged

Answer 30

holes drilled in structural members to reduce weight

flanged for strength

Question 31

list 4 examples of primary structures

Answer 31

spar
bulkhead
engine mount
landing gear

Question 32

what is a tertiary structure

Answer 32

Structure that carries low stress