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Volume II > Important Info > Flashcards

Flashcards in Important Info Deck (64):
1

Five major Assembly Parts

1. Fuselage
2. Empanage
3. Wings
4. Landing Gear
5. Engine

2

Atom is?

the smallest unit of an element. composed of 3 principals
Protons: Positive Charge
Neutrons: No charge
Electrons: Negative Charge

3

What are the 4 components for Electrochemical-corrosion to occur?

1. Anode
2. Cathode
3. Metal path
4. Electrolyte

4

Anode is?

Its the most active, is the only component that deteriorates

5

Cathode is?

More Passive, Stronger and draws electrons from the anode

6

Metal Path is?

Conductor, Where Anode and Cathode connect, and where transfer of electrons occurs

7

Electrolyte is?

Is any liquid path that can hold an ion

8

Expanding corrosion products just below metal surface cause a blistering to form?

EXFOLIATION

9

SELECTIVE ATTACK along a metal's grain boundaries

INTERGRANULAR

10

Threadlike Filaments of corrosion products

FILIFORM

11

Metal cracks parallel to granular structure of the metal

Stress Cracking

12

Corrosion where DISSIMILAR metals are joined together

GALVANIC

13

Negligible is?

Damage that DOES NOT affect structural integrity of AC
SMALL dents and scratches

14

Can be repair by bridging the damaged area with a splice material

Repairable by PATCHING

15

Damage that can be repaired by cutting away a damaged section, and replacing it.

Repairable by INSERTION

16

High concentration of metal ions

Metal Ion Cell

17

Electrolyte contains varying amounts of dissolved oxygen

Oxygen Cell

18

What grit is used when removing oxidation from metal surfaces?

400 Grit

19

Form for Equipment Maintenance

AFTO 244

20

Distance From the center of the rivet to the edge of the sheet

Edge Distance

21

The perpendicular distance between the rivet rows

Row Spacing

22

How do you determine the rivet layout to use for flush skin repair?

the Shape, and
Location of the skin cutout

23

What is the sequence for developing a circular layout pattern?

Outside rows first,
then the inner row

24

How can you determine the number of rivets required in a filler plate?

Identify the size of the cutout
and guidelines in applicable TO

25

What step must be accomplished before you install a non flush repair on an AC?

Consult TO

26

What is the most accurate method of locating blind fastener holes?

Hole finder

27

What must be marked on the patch plate for a non flush repair when the fastener layout is developed on the patch plate?

Location of the cutout

28

What two KEY measurements are needed to fabricate a STRINGER FILLER?

WIDTH of Flanges and
BEND RAIDI

29

What is the step after drilling the starting hole during the split sleeve cold working procedure?

Ream the starting hole

30

How far past the material must the split sleeve extend?

minimum 1/32 beyond the material

31

What is the last step in the split sleeve cold working process?

Verify the expanded hole size by using the rounded end of check gauge

32

What should you do first when preparing a repair area for sealant?

Remove all primers

33

What factor determines how to remove excessive aerodynamic smoothing compound after it has been cured?

Hardness of the surface

34

What component of a corrosion cell is a liquid?

Electrolyte

35

Where does corrosion development begin?

On the surface of the metal

36

If anode is SMALLER the cathode

Corrosion is RAPID and SEVERE

37

If anode is LARGER than cathode

Corrosion is SLOW and Superficial

38

How does HIGH temperature affect the rate of corrosion?

Rapid Corrosion

39

What areas require special attention when inspecting engine frontal areas and air inlet ducts?

Engine Frontal
Leading Edges of Inlet
Air cooler cores

40

When inspecting electrical components what areas are extremely sensitive to corrosion attack, you look for?

Circuit breakers
Contact points
Switches

41

Scaly, Flaky corrosion with pits DEEPER than .010"

SEVERE

42

Corrosion characterized by Discoloration?

LIGHT

43

Corroded area with pits NO DEEPER than .010

MODERATE

44

(CPC's)Corrosion preventing compounds are separated in two categories:

Water displacing and
NON-water displacing

45

What do chemical surface treatment do for metal?

Improve adhesion and corrosion resistance

46

Corrosion TO

1-1-691

47

3 Methods of applying CPC's

Spraying
Dipping
Brushing

48

Why are many alkaline cleaners not authorized for cleaning ?

They are INCOMPATIBLE with polyamide insulation on the electrical wiring

49

Types of media authorized for use on AEROSPACE structures?

I, II, V, and VII

50

AFTO 244 step by step instruction can be found in TO?

00-20-1

51

AFTO 350 gives a block by block explanation in TO?

00-20-2

52

RED X indicates?

UNSAFE OR UNFIT FOR USE

53

RED (-) Indicates?

CHECK DUE, and UNKNOWN condition

54

RED (/) Indicates?

Unsatisfactory condition, but NOT Urgent or Dangerous

55

Form 781A

Maintenance Discrepancy

56

Aerospace vehicle inspection,
Engine Data,
Calendar Inspection and
Delayed Discrepancy Document

781K

57

781H

Aerospace vehicle fight Status and maintenance
Inspection History

58

What are the main 3 TCTOs

Immediate
Urgen
Routine Action

59

Epoxy Primer

Adhesive properties

60

DIRECT chemical attack

UNIFORM SURFACE

61

LOCALIZED attack

PITTING

62

Crevice, sharp corner, or lap joint can keep the oxygen from dissolving uniformly through the electrolyte

CONCENTRATION CELL

63

Apply Protective coatings in accordance with ____?

TO 1-1-8

64

Treat the surface in accordance with____?

TO 1-1-691