11.2 Meg

Question 1

Fail safe?

Answer 1

One fails another takes the load

Question 2

Disadvantage of fail safe?

Answer 2

Increases weight

Question 3

Damage tolerance is?

Answer 3

Damage can be detected in normal inspections before failure (fatigue)

Question 4

5 main structure?

Answer 4

. Fuselage
. Wings
. Stabiliser
. Flight controls
. Landing gear

Question 5

Hoops stress is caused by?

Answer 5

Cabin pressurisation

Question 6

Body station =

Answer 6

Body station = X axis = fuselage top (vertical)

Question 7

Body buttock =

Answer 7

Body buttock = Y axis = left to right (vertical)

Question 8

Body waterline =

Answer 8

Body waterline = Z axis = top to bottom (horizontal)

Question 9

Zones..

Answer 9

Odd number = left
Even number = right
Smaller number = inboard
Larger number = outboard

Question 10

What’s different about fuel pipe bonding?

Answer 10

It has two bonding points

Question 11

Safe life?

Answer 11

Where a component is extremely unlikely to fail

Question 12

The wings are attached by?

Answer 12

Wing boxes

Question 13

The vert8cak stab is attached to tail cone by how many bolts?

Answer 13

3 bolts

Question 14

Close tolerance?

Answer 14

Raised triangle on head

Question 15

Only use water?

Answer 15

Between 7-8PH
And chloride level less than 100ppm

Question 16

Body station is measured from where?

Answer 16

Set point infront of nose

Question 17

Wing station measured?

Answer 17

Root to tip

Question 18

On a Boeing aircraft what is the stabiliser chord plan?

Answer 18

Horizontal reference plane

Question 19

Zone 100?

Answer 19

Lower fuselage

Question 20

Sub major zone?

Answer 20

What side,
Odd = left
Even = right

Question 21

Longeron?

Answer 21

Longitudinal member for bending stress

Question 22

What takes load on monocoque?

Answer 22

Skin

Question 23

Frame?

Answer 23

Gives shape, takes hoop stress

Question 24

Rib?

Answer 24

Leading edge or trailing edge, gives shape, takes bending, shear and torsion

Question 25

Stringers?

Answer 25

Stiffener where can attach to skin

Question 26

Pressure bulkhead?

Answer 26

Supports the pressure load

Question 27

Crack stopper?

Answer 27

Stops the crack

Question 28

2 divisions of paint coat?

Answer 28

. Primer
. Top coat

Question 29

If bonded correctly, resistance is?

Answer 29

0.025 ohums

Question 30

On one stud?

Answer 30

No more than 4 terminals

Question 31

Crew direct vision window what zone?

Answer 31

200