Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Materials And Hardware > Pipes And Unions > Flashcards

Pipes And Unions Flashcards

1
Q

What are aircraft fluid lines usually made of?

A

Metal tubing or flexible hose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Three parts of a pipe?

A

Two end fillings

Tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the dimensions of a pipe determined by?

A

External diameter

Wall thickness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is high pressure in rigid and flexible pipes?

A

Anything over 1500PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is medium pressure in rigid or flexible pipes?

A

Anything under 1500PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is low pressure in rigid or flexible pipes?

A

Suction and Return lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How are pipes identified?

A

Stencilled or stamped with drawing number or part number
Inspection stamp
Test stamp
Date of manufacture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a pipe pressure-tested to?

A

1 to 1.5 times the normal working pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the two types of identification?

A

Colour/symbol

Code (based on ATA100 numbering system)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does grey with triangles mean?

A

De-icing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does orange and blue with diamonds mean?

A

Instrument Air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does blue and yellow with circles mean?

A

Hydraulic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does yellow with squares mean?

A

Lubrication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What colour means physically dangerous?

A

Grey - PHDAN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Two categories of pipe fittings?

A

Flareless

Flared

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is MS fitting?

What must you never do?

A

Ball-bush. Sleeve of malleable steel shaped by pre-stressing in a way that it’s cutting edge is pushed over the pipe, sealing it.

Never re-tighten

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is another ball-bush fitting?

A

Harrison fitting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is a Harrison fitting?

A

Pipe swaged in the sleeve to form a tight seal. Special tool moulds sleeve and widens pipe. Suited for thin walled tubes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is a Permaswage fitting?

A

For damaged pipes. Sleeve squeezed on using hyd-driven tool. Only for emergencies e.g military

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Advantages of a Harrison fitting?

A

Easy handling
Simple tooling
Vibration resistant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Advantages of Permaswage fitting?

Disadvantages?

A

Quick, light, gives a good seal

Cannot be separated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Two types of flared fittings?

A

Single flare

Double flare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is a Single Flared Fitting?

A

Special tool used to make flare, flare seals against cone.
Clear surfaces paramount
Do not overtighten
If a leak is found, dismantle and inspect

24
Q

What is the flare angle on aircraft?

A

37 degrees

25
Q

What is a Double Flared Fitting?

A

Soft aluminium tubing outside diameter 3/8” or smaller. Smoother and more concentric, gives a better seal, more durable

26
Q

What is Sharp-Bottomed pipe damage?

A

Loss of material damage cuts into material to form scratches

27
Q

What is Round-Bottomed pipe damage?

A

Loss of material damage at bottom is not sharp edged but rounded (abrasion)

28
Q

What is Round-Bottomed Impact pipe damage?

A

Dent in pipe walling

29
Q

What requirements must hoses meet?

A

Slack (2-4% length increase under pressure)

Must never be twisted

30
Q

Where/what are hoses used?

A

Connect stationary to dynamic

In high vibration areas

31
Q

What is low pressure in a hose?

A

Up to 600PSI

32
Q

What is medium pressure in a hose?

A

Up to 3000PSI

33
Q

What is high pressure in a hose?

A

3000PSI+

34
Q

What are Lay Lines?

A

Run along length of hose with twist indicator. Yellow, red, or white stripes incorporate data/information

35
Q

What is inspected for on hoses?

A

Deterioration
Leaks
Mechanical damage (rubbing)

36
Q

What must inner layers of a hose be?

A 
Chemically compatible 
Neoprene - petroleum based fluid 
Buna N - petroleum based fluid 
Butyl - hydraulic fluid 
Teflon - almost all fluids
37
Q

What does hose reinforcement include?

A

Protective outer cover (physical/heat)
Rubber impregnated fabric
Stainless steel braid

38
Q

What angle is AN?

Colour?

A

37 degrees

Blue or black

39
Q

What angle is AC?

Colour?

A

35 degrees

Grey or yellow

40
Q

What is the only reusable hose fitting called?

A

Aeroquip

41
Q

What to inspect and check on a hose?

A

Inspect: applicability, length, cleanliness, damage

Check: part number, cure and assembly dates

42
Q

What must a hose be?

A

Supported every 24 inches (2 ft)

Never twisted

43
Q

What fitting can replace a bending pipe?

A

Elbow fitting

44
Q

What is an Elbow Fitting?

A

Largest bend radius preferred. Protective sleeves - heat shrink, nylon spiral wrap, Teflon.

45
Q

What do some early products contain?

A

Asbestos

46
Q

What materials are used for a hydraulic fitting?

A

Aluminium allly (D)
Cadmium plated steel
CRES

47
Q

Advantages of fuel/hydraulic fittings?

A

Easy connection
Speed
Less fuel vapour
Less hazard

48
Q

Types of fuel/hydraulic fittings?

A 
Screw 
Insomatic push/pull 
Quick thread indicator 
Full grip push/pull 
Straight flow ball valve 
Ball-lock
49
Q

What does yellow with squares mean?

A

Lubrication

50
Q

What does red with stars mean?

A

Fuel

51
Q

What does red and grey with arrows mean?

A

Water injection

52
Q

What does orange with lightning mean?

A

Electrical conduit

53
Q

What does grey and brown with dots mean?

A

Air condition

54
Q

What does blue with waves mean?

A

Coolant

55
Q

What does green and rectangles mean?

A

Breathing oxygen

56
Q

What does brown with diamonds mean?

A

Fire protection

Materials And Hardware (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions