1) Thrust and camber faces of a propeller should be blended out to Report

5 times the depth of damage

10 times to the depth of damage

30 times to the depth of damage

2) An aerodynamic correction factor that is preceded by the letter Q indicates Report

thrust balance

dynamic balance

torque balance

3) Leading edges should be blended out to Report

5 times the depth of damage

10 times the depth of damage

30 times the depth of damage

4) If the tip of an electrical overshoe is torn Report

it may be cut back

it may be classified as acceptable damage

it must not be cut back

5) The shank of the propeller is permitted to have Report

no repairs

minor repairs

no decals fitted

6) When blending out a gouge on the face or camber side of a blade, the additional metal to be removed for stress relief is Report

0.02 inch

0.002 inch

0.2 inch

7) Wooden propellers are permitted Report

repairs that do not affect weight and balance

no repairs

repairs using sawdust and aeroglue

8) The preservative used to protect metal blades is Report

Lanolin

Brown storage wax

Petroleum jelly

9) Composite propellers may have minor repairs carried out by Report

the operator

any approved composite repair facility

any approved 3rd party maintenance organization

10) Details of propeller overhaul may be found in Report

Airworthiness Notice 75

the AMM

Airworthiness Notice 55

11) The ground clearance of a single engine tail wheel aircraft propeller is measured with the aircraft Report

tail wheel on the ground

tail wheel in the take off position

in the rigging position

12) The structural clearance of a multi engine aircraft propeller Report

is taken from the ground

is taken between the prop and the fuselage

is taken between the engines with the props aligned

13) The structural clearance of a multi engine aircraft propeller Report

is taken from the ground

is taken between the prop and the fuselage

is taken between the engines with the props aligned

14) What position should the blades be when installing the pitch change mechanism onto a hydromatic propeller? Report

Feather

Zero pitch

Full reverse

15) The ground (sea) clearance of a sea plane propeller is Report

1 inch

9 inches

18 inches

16) Cropping is permitted to a maximum of Report

? inch on all blades

1 inch on all blades

? inch on one blade only

17) Dynamic balance is confirmed by use of Report

knife edges and mandrel

a tracking check

a vibration analyser

18) A metal propeller may be statically balanced by Report

adding varnish to the lighter blade

removing metal from the opposite blade

adding or removing lead wool to the hollow blade roots

19) Mechanical vibration relating to propellers in a piston powered aircraft Report

is due to the crankshaft at intermittent power settings

is due to the lead lag of the propeller compared to the engine

is due to the power stroke of the engine and may have a more detrimental effect than aerodynamic vibration

20) Aerodynamic Correction Factor (A C F) Report

corrects for static balance

corrects for dynamic balance

is indicated in the form of degrees and minutes of pitch

EASA Questions Module 17: Propeller Set 6: Maintenance

Set 1: Fundamentals

Set 2: Propeller Construction

Set 3: Pitch Control

Set 4: Synchronising

Set 5: Ice Protection

Set 6: Maintenance

Set 7: Storage & Preservation