wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

AVI 121 (Aircraft Hardware)

Total questions: 69

Worksheet time: 40mins

Name
Class
Date
1.

The method of wiring two or more units in such a manner that any tendency of one to loosen is counteracted by tightening the wire.

(a)  

2.

A ___ is anchored to an adjacent fillister head screw.

a)

nut

b)

wire

3.

May come apart due to vibration which may lead to cable circuits being open.

a)

intact connectors

b)

Loose connectors

4.

The safety wire should be as ___ as practicable and must be installed in the direction which tightens the nut on the plug.

a)

long

b)

short

5.

are usually used in control systems to apply the proper amount of tension to the cables.

(a)  

6.

Turnbuckles that is "satisfactory"

a)

single wrap

b)

double wrap

7.

Turnbuckles that is "preferred"

a)

single wrap

b)

double wrap

8.

A fastener that can turn in the body in which it is mounted but will not drop out when unscrewed from the part it is holding.

a)

Captive

b)

Turnlock

c)

Dzus

d)

Camloc

e)

Airloc

9.

Permits quick and easy removal of access panels for inspection and servicing purposes.

a)

Captive

b)

Turnlock

c)

Dzus

d)

Camloc

e)

Airloc

10.

Features a stud with a groove or slot that’s connected to a spring-loaded mechanism. As you turn the stud it will engage the groove or slot.

a)

Captive

b)

Turnlock

c)

Dzus

d)

Camloc

e)

Airloc

11.

A high-strength, quick-release rotary fastener that may be used on flat or curved inside and outside panels.

a)

Captive

b)

Turnlock

c)

Dzus

d)

Camloc

e)

Airloc

12.

Fabricated from high-carbon,

heat treated steel heat-treated

a)

Captive

b)

Turnlock

c)

Dzus

d)

Camloc

e)

Airloc

13.

The Dzus ___ are fabricated from steel and are cadmium plated.

a)

studs

b)

grommet

c)

spring

14.

The Dzus ___ is made of

aluminum or aluminum alloy

material.

a)

studs

b)

grommet

c)

spring

15.

The Dzus ___ is made of steel,

cadmium plated to prevent corrosion.

a)

studs

b)

grommet

c)

spring

16.

secure the hub and the shaft to prevent relative movement between a power transmitting shaft and an

a)

Key and keway

b)

Snap rings

17.

either round or flat in cross-section which is tempered to have springlike action.

a)

Key and keway

b)

Snap rings

18.

Aircaft (a)   are used to fasten an aircraft structure and are usually made of aluminum alloy. It is a metal pin with a formed head on one end.

19.

Aircraft rivet type that is driven using a bucking bar

a)

Solid shank type

b)

Special (blind) type

20.

Aircraft rivet type that areas where using the bucking bar is not permissible.

a)

Solid shank type

b)

Special (blind) type

21.

(a)   store rivets should never be used as a substitute for aircraft- quality rivets.

22.

Marking on the ___ of the rivets are used to classify their characteristics.

a)

head

b)

tail

23.

These are used in the interior of the aircraft except where clearance is required for adjacent members.

a)

Round head

b)

Flat head

c)

Brazier head

d)

universal head

e)

countersunk

24.

These are used on interior structures.

a)

Round head

b)

Flat head

c)

Brazier head

d)

universal head

e)

countersunk

25.

Has a head of large diameter good for riveting thin sheet stock (skin).

a)

Round head

b)

Flat head

c)

Brazier head

d)

universal head

e)

countersunk

26.

A combination of the roundhead, flathead, and brazier head.

a)

Round head

b)

Flat head

c)

Brazier head

d)

universal head

e)

countersunk

27.

A flat-topped and beveled toward the shank to fit in the countersunk or dimpled hole.

a)

Round head

b)

Flat head

c)

Brazier head

d)

universal head

e)

countersunk

28.

These rivets are usually used for repair work and widely used fastening devices for sheet metal aircraft

construction.

a)

Solid shank rivets

b)

blind rivets

c)

mechanically expanded rivets

d)

self-plugging rivets

29.

Used where access to both sides for riveting is impossible.

a)

Solid shank rivets

b)

blind rivets

c)

mechanically expanded rivets

d)

self-plugging rivets

30.

large blind side bearing surface, developed during the installation process.

a)

Solid shank rivets

b)

blind rivets

c)

bulbed-cherrylock rivets

d)

self-plugging rivets

31.

Has a positive mechanical locking collar to resist

vibrations that cause the friction lock rivets to loosen and possibly fall out.

a)

Solid shank rivets

b)

blind rivets

c)

bulbed-cherrylock rivets

d)

self-plugging rivets

32.

Provides excellent sheet take-up and hole-filling performance.

a)

Solid shank rivets

b)

blind rivets

c)

Wiredraw cherrylock rivets

d)

self-plugging rivets

33.

LSA stands for:

(a)  

34.

Requires both sides to be accessible when installing.

a)

Pin rivets

b)

Taper-lok

c)

Hi-tigue

d)

Dill Lok-skrus and Rivets

e)

Deutsch Rivets

35.

The strongest special fasteners used in aircraft construction.

a)

Pin rivets

b)

Taper-lok

c)

Hi-tigue

d)

Dill Lok-skrus and Rivets

e)

Deutsch Rivets

36.

Contains a bead that encircles the bottom of its shank.

a)

Pin rivets

b)

Taper-lok

c)

Hi-tigue

d)

Dill Lok-skrus and Rivets

e)

Deutsch Rivets

37.

Similar in appearance and application to a Rivnut but they require more clearance on the blind side to accommodate the barrel.

a)

Pin rivets

b)

Taper-lok

c)

Hi-tigue

d)

Dill Lok-skrus and Rivets

e)

Deutsch Rivets

38.

High strength blind rivet used on late-model aircraft. High- strength.

a)

Pin rivets

b)

Taper-lok

c)

Hi-tigue

d)

Dill Lok-skrus and Rivets

e)

Deutsch Rivets

39.

(also called rigid fluid line) is used in stationary

applications and where long, relatively straight runs are possible.

(a)  

40.

generally used with moving parts or where the hose is subject to considerable vibration.

(a)  

41.

used extensively in aviation fluid applications.

a)

Copper tubing

b)

aluminum alloy tubing

c)

steel tubing

d)

titanium tubing

42.

used for general-purpose lines of low or negligible fluid pressures, such as instrument lines and ventilating conduits.

a)

Copper tubing

b)

aluminum alloy tubing

c)

steel tubing

d)

titanium tubing

43.

used for general-purpose lines of low or negligible fluid pressures, such as instrument lines and ventilating conduits.

a)

Copper tubing

b)

aluminum alloy tubing

c)

steel tubing

d)

titanium tubing

44.

used extensively in high-pressure hydraulic systems (3 000 psi or more) EX. landing gear, flaps, brakes, and in fire zones.

a)

Copper tubing

b)

aluminum alloy tubing

c)

steel tubing

d)

titanium tubing

45.

This type of tubing and fitting is used extensively in the transport category and high-performance aircraft hydraulic systems for pressures above 1 500 psi.

a)

Copper tubing

b)

aluminum alloy tubing

c)

steel tubing

d)

titanium tubing

46.

Standard AN fittings are identified by their ___ or ___ color.

(a)  

47.

are colored black.

a)

AN Steel fittings

b)

AN Aluminum fittings

c)

Aluminum bronze fittings

48.

are colored blue.

a)

AN Steel fittings

b)

AN Aluminum fittings

c)

Aluminum bronze fittings

49.

are cadmium-plated and natural in appearance.

a)

AN Steel fittings

b)

AN Aluminum fittings

c)

Aluminum bronze fittings

50.

(a)   threads are similar to those used in ordinary plumbing and are tapered, both internal and external.

51.

male thread

a)

external

b)

internal

52.

Do not use lubricants on (a)   lines.

53.

Machine threads have no ___ capability and are similar to those used on common nuts and bolts.

a)

sealing

b)

tapering

54.

Machine threads have no ___ and will not form a fluid-tight seal.

a)

sealer

b)

taper

55.

___ fittings are designed primarily for high pressure (3,000 psi) hydraulic systems that may be subjected to severe vibration or fluctuating pressure.

a)

flareless

b)

swagged

56.

create a permanent connection that is virtually maintenance free.

a)

flareless

b)

swagged

57.

are standard fittings with a shape memory alloy, Tinel, The sleeve is manufactured 3 percent smaller, frozen in liquid nitrogen, and expanded to 5 percent larger than the line.

a)

cryofit

b)

swagged

58.

is used in aircraft fluid systems to connect moving parts with stationary parts in locations subject to vibration or where a great amount of flexibility is needed.

a)

flexible hose

b)

extended hose

59.

is never used in the construction of flexible fluid lines.

a)

pure rubber

b)

synthetic

60.

is a synthetic rubber compound that has excellent resistance to petroleum products.

a)

Buna-N

b)

Neoprene

c)

Butyl

61.

is a synthetic rubber compound with an acetylene base. Not as good as Buna-N but has better abrasive resistance

a)

Buna-N

b)

Neoprene

c)

Butyl

62.

is a synthetic rubber compound made from petroleum raw materials. It is an excellent material to use with phosphate ester base hydraulic fluid (Skydrol).

a)

Buna-N

b)

Neoprene

c)

Butyl

63.

Lines conveying fuel

a)

Flam

b)

Toxic

c)

Phdan

64.

lines containing toxic materials

a)

Flam

b)

Toxic

c)

Phdan

65.

Lines containing physically dangerous materials, such as oxygen, nitrogen, or Freon.

a)

Flam

b)

Toxic

c)

Phdan

66.

are generally placed on both ends of a line and at least once in each compartment through which the line runs.

a)

tapes and decals

b)

identificatiom markers

c)

paint or tags

67.

are placed immediately adjacent to each valve, regulator, filter, or other accessory within a line.

a)

tapes and decals

b)

identificatiom markers

c)

paint or tags

68.

are used, location requirements are the same as for tapes and decals.

a)

tapes and decals

b)

identificatiom markers

c)

paint or tags

69.

(a)   is used on lines in engine compartments, where there is the possibility of tapes, decals, or tags being drawn into the engine induction system.