Propellers 1

1.

1 point

Whether the torque is positive or negative depends upon the relationship between which of the following components?

Reduction gear assembly and prop

Power section and prop

NTS and TTS

Reduction gear assembly and engine

2.

1 point

The propeller brake is designed to decrease the time for the propeller to come to a complete stop after engine shutdown and to prevent which of the following actions?

Feathering on shutdown

Windmilling while feathered in flight

Freewheeling on the ground

Both 2 and 3 above

3.

1 point

Which of the following is a subassembly of the turboprop engine?

The gearbox section

The power section

The turbine

The torquemeter assembly

4.

1 point

What does the thrust-sensitive signal actuate?

Positive torque signal

Negative torque signal

Propeller reverse signal

Propeller feather lever

5.

1 point

Regardless of the power lever setting during flight, a predermined schedule automatically governs the...

Rpm and propeller blade angle

Fuel flow and rpm

rpm and compressor inlet temperature

Propeller blade angle and fuel flow

6.

1 point

The friction cone-type propeller brake consists of which of the following members?

Two stationary inner members and two rotating outer members

A stationary outer member and two rotating inner members

A stationary outer member and a rotating inner member

A stationary inner member and a rotating outer member

7.

1 point

Which of the following barrel components carry the high centrifugal blade loads?

Barrel shoulders and lips

Split thrust washers

Blade segment gears

Beta segment gears

8.

1 point

Which of the following operating conditions does NOT reflect normal functioning of the negative torque signal system?

Power loss during takeoff

Normal descent with lean fuel scheduling

Air gust loads on the propeller

High compression air bleed

9.

1 point

How many stages of reduction are in the reduction gear assembly?

Two

Three

One

Four

10.

1 point

In the special shafting of the torquemeter, where is the reference shaft connected to the torque shaft?

Along the centerline

At the drive input end

At both ends

At the drive output end

11.

1 point

The ground handling range is also known as the

Beta range

Delta range

Gamma range

Alpha range

12.

1 point

The torquemeter operates on the principle of accurate measurement of

Centrifugal twisting force

Torsional deflection

Overhanging moments

Counteracting forces

13.

1 point

By what means does the turboprop fuel control differ from the turbopjet fuel control?

The turboprop fuel control operates with a propeller governor

The turboprop fuel control does not depend on propeller blade angle

The turoprop fuel control is independent of other inputs

The turboprop fuel control output is more constant under varying conditions

14.

1 point

The torquemeter measures the shaft power output of what engine component?

Propeller shaft

Power unit

Accessories drive shaft

Reduction gear train

15.

1 point

What is another name for inch pounds of torque?

Indicated horsepower

Reference horsepower

Shaft horsepower

Brake horsepower

16.

1 point

Which of the following factors controls prop blade angle in the beta range?

Automatically governed according to predetermined beta schedule

Prop control

Power levers

Fuel control

17.

1 point

What is the purpose of the propeller reduction gearing?

To reduce the power section rpm

To reduce the shaft horsepower developed by the power section

To reduce the propeller rpm

To increase propeller rpm

18.

1 point

What are the major assemblies of the turboprop engine?

Reduction gear assembly, torquemeter assembly, and power section assembly.

Power section assembly, axial-flow compressor assembly, and torquemeter assembly.

Turbine assembly, axial-flow compressor assembly, and torquemeter assembly.

Reduction gear assembly, accessories drive housing, and power section assembly.

19.

1 point

For what reason is the safety coupling installed in the turboprop power train?

To ensure the prop freewheels when the engine is shut down

To ensure prop always turns with the engine

To disconnect the prop when excessive negative torque is encountered

To maintain oil capillary tubes between the power train and the reduction gear

20.

1 point

What are the three positions of the prop brake?

Released, rotating, locked

Released, applied, locked

Primary, secondary, operating

Stationary, rotating, locked

21.

1 point

Transfer of torque between the power section and the reduction gear assembly must be transmitted through what propeller component?

Pinion gear shaft

Safety coupling

Belleville springs

Torquemeter shaft

22.

1 point

Which of the following components of the barrel assembly is/are kept together throughout the service life of the propeller?

Internally relieved stud extensions (barrel bolts)

Front and rear barrel sections

Front and rear cones

Propeller hub nut

23.

1 point

What is the primary function of a propeller system?

To increase engine rpm

To increase or decrease pitch as required by power lever movement

To reduce the propeller drive shaft speed

To reduce engine rpm