1) A fibreglass composite blade Report

will never be struck by lighting

requires lightning strike protection

does not require lightning strike protection

2) The timber most often used today for propeller construction is Report

birch

spruce

balsa

3) Electronic torque measuring systems utilise Report

strain gauges in the reduction gear

stress gauges in the reduction gear

pressure transducers in the reduction gear

4) A conventional turboprop torque meter uses Report

hydraulic oil as the pressure medium

coiled spring levers as the pressure medium

engine oil as the pressure medium

5) Metal at the tip and along the leading edge of a wooden propeller is Report

for balancing

for protection

for Anti-icing

6) Blade cuffs are fitted to the root of the blades Report

to increase the strength of the blade

to increase thrust

to increase flow of cooling air into the engine nacelle

7) Low torque sensing is used to Report

increase power

increase pitch

initiate auto-feather

8) Torque sensing is used to Report

reduce drag

synchronise blade angle

reduce drag following engine shutdown

9) The minimum percentage seating on a propeller rear cone should be Report

70 %

90 %

95 %

10) The propeller is 'feathered' when the blades are at Report

0^o to plane of rotation

20^o to plane of rotation

90^o to plane of rotation

11) The thrust of a propeller is normally taken by the Report

torque meter

propeller rear cone

front bearing in the reduction gear

12) On which type of turbo-propeller would you expect to find a parking brake? Report

Compounded twin spool

Direct coupled twin spool

Free turbine

13) What does the torquemeter reading indicate in a gas turbine engine? Report

Torque reaction at the reduction gear

Engine torque

The ratio between engine thrust and engine torque

14) The gear segments on the blade roots of a hydromatic propeller mesh with the Report

stationary cam

moving cam

torque tubes and eye bolts

15) A propeller is centralised on the propeller shaft by Report

the front git seal

the front and rear cones

the rear pre-load shims

16) Reduction gearing allows the Report

blade tips to operate below the speed of sound

blade tips to operate above the speed of sound

blade tips to rotate slower than the root of the propeller blade

17) When fitting a propeller to a tapered shaft Report

locate the master spline

ensure the master spline and blade alignment are in accordance with the MM

ensure fully seated

18) What is the purpose of small holes at the tip of wooden propellers? Report

Drainage

Balancing

Pivot points used during manufacture

19) The thrust face of a propeller blade is the Report

blade face or flat side

blade back or curved side

root to which the gear segment is fitted

20) Solidity of a propeller can be increased by Report

increasing blade chord

increasing blade angle

increasing blade thickness

EASA Questions Module 17: Propeller Set 2: Propeller Construction

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