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Aircraft Propeller Construction Gen Caseserano

Total questions: 55

Worksheet time: 37mins

Name
Class
Date
1.

has a shank, butt, hub, tip, trailing edge, leading edge, face and a back.

a)

Wood Propellers

b)

Propeller Blades

c)

Dowty Composite Propeller

d)

Metal Propeller

2.

The cambered side of a blade is called ____.

a)

the black blade

b)

the blade black

c)

the blade back

d)

the back blade

3.

The flat side of the blade is called ____.

a)

The Blade Flat

b)

The Blade Face

c)

The Blade Side

d)

The Blade Facade

4.

The ____ is that part of the propeller blade farthest from the hub, generally defined as the last 6 inches of the blade.

a)

blade butt

b)

blade back

c)

blade face

d)

blade tip

5.

what is called the blade base or root, seen in the end of the blade, which fits in the propeller hub.

(a)  

6.

are used from maintenance personnel for damage assessment, blade angle checks, etc.

(a)  

7.

this has been used since the Wright Flyer's first flight in 1903 and are still popular on many amateur-built aero planes.

a)

metal propeller

b)

steel propeller

c)

wood propeller

d)

aluminum

8.

its light weight, rigidity, economy of production, simplicity of construction, and ease of replacement, is well suited for such small aircraft.

a)

steel propeller

b)

aluminum propeller

c)

wood propeller

d)

composite propeller

9.

are forged from high-strength aluminum alloy, and after being ground to their finished dimensions and pitch, are anodized to protect them from corrosion.

a)

steel propeller

b)

wood propeller

c)

aluminun propeller

d)

metal propeller

10.

these are types of propellers except:

a)

Feathering Propellers

b)

Fixed Pitch Propellers

c)

Ground adjustable Propellers

d)

Controllable pitch Propellers

11.

are the most widely used types of propeller in aviation.

a)

Wood Propeller

b)

Metal Propellers

c)

Aluminum Alloy Propellers

d)

Dowty Composite Propellers

12.

this propeller provide better engine cooling by carrying the aero foil sections closer to the hub and directing more air over the engine.

(a)  

13.

Aluminum propellers are made from

(a)  

14.

these are found primarily on transport aircraft.

a)

Steel Propellers

b)

Aluminum Alloy Propellers

c)

Wood Propellers

d)

Metal Propellers

15.

what type of propeller are normally of hollow construction, which help to reduce weight.

(a)  

16.

what type of propeller are forged and machined to the desired contours and the proper twist is achieved by twisting the blades.

a)

metal propellers

b)

aluminum propeller

c)

steel propeller

17.

used in propeller manufacturing consist of two constituents: the fibers and the matrix.

a)

aluminum propeller

b)

steel propeller

c)

metal propeller

d)

composite propeller blades

18.

what are the constituents of a composite propeller blades?

(a)  

19.

what is the most generally used for glass, graphite, and aramid (Kevlar)

(a)  

20.

The strength and stiffness of the blades are determined by the

a)

material, matrix, diameter, environment

b)

diameter, resin, material, epoxy

c)

material, diameter, and orientation of the fibers

21.

what type of propeller is this?

(a)  

22.

has the blade pitch, or blade angle, built into the propeller.

a)

Metal propeller

b)

Steel Propeller

c)

Fixed pitch propellers

d)

Aluminum alloy propeller

23.

this type of propeller is one piece and is constructed of laminated wood or aluminum alloy.

a)

Fixed pitch propellers

b)

Aluminum alloy propellers

c)

Steel propellers

24.

these are designed for best efficiency at one rotational and forward speed, usually cruise speed.

(a)  

25.

what kind of propeller is inefficient at take-off and landing speeds.

a)

Fixed pitch propellers

b)

Dowty composite propellers

c)

Metal Propeller

26.

what operates as a fixed-pitch propeller?

a)

dowty composite propeller

b)

aluminum alloy propeller

c)

ground adjustable propeller

d)

metal propellers

27.

what propeller is used on aircraft of low power, speed, range, or altitude.

(a)  

28.

what kind of propeller is this?

(a)  

29.

this propeller permits a change of blade pitch or angle, while propeller is rotating.

a)

fixed pitch propeller

b)

controllable pitch propeller

c)

ground adjustable propeller

30.

types of controllable pitch propeller

a)

variable pitch propeller and constant speed propeller

b)

variant pitch propeller and consistent speed propeller

c)

variation propeller and cognitive propeller

31.

what type of controllable pitch propeller controls the pitch angle by the operator?

(a)  

32.

what type of controllable pitch propeller controls system adjust pitch, without attention by the pilot or operator?

(a)  

33.

The first popular controllable-pitch propellers were hydraulically actuated by engine lubricating oil supplied through a hollow crankshaft.

a)

Variable Pitch Propellers

b)

Constant Speed Propellers

34.

what type of controllable pitch propeller is this?

(a)  

35.

what kind of propeller is a system in which the propeller blade angle is varied by the action of a governor to maintain a constant speed.

a)

constant speed propeller

b)

variable pitch propeller

c)

steel propeller

d)

fixed pitch propeller

36.

The pitch changing devices for constant speed propellers include _____, _____, and devices in which centrifugal forces act on flyweights and combinations of these methods

a)

electric motors

b)

hydraulic cylinders

c)

matrix

d)

fibers

37.
a)

Underspeed

b)

Pull Lever Back, Prop Takes 'Bigger Bite' Of Air

c)

Overspeed

38.
a)

Underspeed

b)

Overspeed

c)

Pull Lever Back, Prop Takes 'Bigger Bite' of Air

39.
a)

Overspeed

b)

Pull Lever Back, Prop takes' 'Bigger Bite' of Air

c)

Underspeed

40.

THE BLADE PITCH OR BLADE ANGLE , BUILT INTO THE PROPELLER

a)

GROUND ADJUSTABLE PROPELLER

b)

FIXED PITCH PROPELLER

c)

CONTROLLABLE PITCH  PROPELLER

41.

THE PITCH OR BLADE ANGLE CAN BE CHANGED ONLY WHEN THE PROPELLER IS NOT TURNING

a)

FIXED PITCH PROPELLER

b)

CONTROLLABLE PITCH  PROPELLER

c)

GROUND ADJUSTABLE PROPELLER

42.

PROPELLER PERMITS A CHANGE OF BLADE PITCH , OR ANGLE WHILE THE PROPELLER IS ROTATING

a)

CONTROLLABLE PITCH  PROPELLER

b)

GROUND ADJUSTABLE PROPELLER

c)

FIXED PITCH PROPELLER

43.

Before installing a propeller, the propeller shaft and threads should not be checked for damage.

a)

True

b)

False

44.

Boss and hub flange faces should be checked for cleanliness, to ensure that maximum friction will be obtained.

a)

True

b)

False

45.

When assembling the hub to the shaft, it is usually recommended that an anti-seize compound should be applied to the threads, and engine oil to the shaft. Where cones are fitted, these should be clean and dry.

a)

True

b)

False

46.

The angular position of the propeller on the hub is not important, unless the engine is likely to be started by hand swinging

a)

TRUE

b)

FALSE

47.

The attachment bolts should be tightened evenly, and in any sequence, to the specified torque.

a)

TRUE

b)

FALSE

48.

when the propeller is rotated the blades should track within 1/4 inch of each other, but a wider tolerance may be permitted on repaired propellers, provided that no vibration is evident during engine runs.

a)

FALSE

b)

TRUE

49.

After engine runs to check the reference RPM, the propeller attachment bolts and the hub retaining nut should be checked for tightness, and re-locked.

a)

TRUE

b)

FALSE

50.

It is recommended that the bolts should also be checked after each of the first few flights.

a)

TRUE

b)

FALSE

51.

in Fixed Pitch Metal Propellers Installation, these are used to locate the propeller on the spacer or propeller shaft flange, and these should be a tight press fit in the holes.

(a)  

52.

The dowels, spacer and flange should be inspected before assembly to ensure that they are undamaged, and the propeller and spacer should be assembled together before installation on the engine.

a)

True

b)

False

53.

The propeller attachment bolts should be checked for tightness after the engine run.

a)

True

b)

False

54.

The engine should not be ground run after installing the propeller, to check for vibration and determine the engine speed obtained at full throttle.

a)

True

b)

False

55.

If the engine is likely to be hand-swung, the propeller should be fitted to the engine in a convenient position. The attachment bolts should be tightened evenly, and in proper sequence, to the specified torque.

a)

True

b)

False