DGCA Module 17 Quiz Questions and Answers

DGCA Module 17 Propeller Quiz (Test 1) is helps to learners for understand how propellers convert engine power into thrust for efficient a/c movement. It focuses on the principles of blade pitch, aerodynamic forces and propeller efficiency during various flight conditions. Given About fixed pitch, variable pitch and constant speed propellers to understand how design affects performance.

The test trains to learners about evaluate torque, thrust, slipstream and aerodynamic drag. It also covers the governing systems, synchronization and feathering mechanisms to maintain smooth and safe operation. By learning these concepts, students gain insight into how propeller control impacts aircraft speed, fuel efficiency and stability.

This quiz questions is builds essential technical knowledge for aviation engineers and maintenance personnel. It prepares learners to identify and solve practical propeller related issues while ensuring operational safety and reliability. Through this test, they develop strong fundamentals for DGCA Module 17 examinations and real world maintenance tasks.

DGCA Module 17 Quiz Questions - Test 1

1 / 32

The optimum angle for a fixed pitch propeller is.

2-4 degree

6-10 degree

15 degree

2 / 32

A left handed propeller is one that.

Rotates clockwise when viewed from the rear

Rotates clockwise when viewed from the front

is fitted to an engine on the left side of the aircraft

3 / 32

Forces acting on a propeller are.

Centrifugal, Twisting and Bending

Torque, thrust and centrifugal

Torsion, tension and thrust

4 / 32

The blade angle at the root is.

Less than the tip

Same from tip to root

Greater than the tip

5 / 32

What force on a propeller blade turns the blades to a fine pitch?

ATM

CTM

Torque

6 / 32

Propeller blades are de-iced by.

Generating eddy currents in the blade

Electrical heating elements wound around rubber shoes

Electrical heating elements bound in rubber overshoes on the blade leading edges

7 / 32

Propeller slip rings.

Convey oil for PCU to pitch change mechanism

Conduct electrical power for de-icing

Minimize slip

8 / 32

On an electrical deicing system fast cycle is used.

At low air temperature

At high air temperature

On the ground

9 / 32

High speed propellers are designed to.

Rotate at high RPM

Operate at high forward speeds

Operate at supersonic tip speeds

10 / 32

When in the windmill position ATM.

Oppose CTM

Assist CTM

is not related to CTM

11 / 32

Phosphate is not used bcoz.

Flammability

Expensive

Corrosive

All

12 / 32

Blades coming in contact with salt water should be washed with.

Fresh water

Soap with water

Nitric acid

13 / 32

Propeller blade are stored in condition.

Dry

Warm

Cool

Dry and Cool

14 / 32

Static balance is done by.

Knife edge test stand

Suspension edge test stand

No stand is required

Knife edge test stand & Suspension edge test stand

15 / 32

Storage of propeller should be.

Not on tip

Not on suspension

Dip in oil

16 / 32

Auto feathering acomplies.

Automatically

Manually by pilot

Both

17 / 32

When speeder spring force dec. The blade angle will be.

Increase

Decrease

Remains same

18 / 32

If an propeller rotate in underspeed and the blade angle will be.

Fine pitch

Coarse pitch

Smooth pitch

19 / 32

If an propeller rotate in overspeed and the blade angle will be.

Fine pitch

Coarse pitch

Smooth pitch

20 / 32

Gyroscopic covering on propeller while storing.

It makes a layer b/w blade and atmosphere

It can not absorbs moisture

It absorbs moisture

It can not absorbs moisture & It makes a layer b/w blade and atmosphere

21 / 32

The farthest portion of a propeller blade from hub is called.

Blade shank

Blade root

Blade tip

22 / 32

The attaching part of a propeller blade from hub is called.

Blade shank

Blade root

Blade tip

23 / 32

The attaching part of a propeller blade from hub is called.

Blade base

Blade root

Blade butt

All

24 / 32

The primary function front and rear cones when splined propeller shaft.

Is used to seat the propeller on crankshaft

To prevent the propeller from loosening

To give the tightness

25 / 32

When flyweight overcome the speeder spling pressure it means.

Propeller rotate underspeed

Propeller rotate overspeed

Engine rotate overspeed

Engine rotate underspeed

26 / 32

Where air strike or frwd edge (thick side) of the propeller called.

Blade face

Trailing edge

Leading edge

27 / 32

The centre portion of the propeller called.

Blade shank

Propeller hub

Propeller spinner

28 / 32

Where not air strike or bkwrd edge (thin side) of the propeller called.

Blade back

Trailing edge

Leading edge

29 / 32

Curved/cambered surface of the propeller called.

Blade face

Blade back

Trailing edge

30 / 32

Flat/thrust surface of the propeller called.

Blade face

Blade back

Leading edge

31 / 32

Propeller convert.

Rotary power to thrust power

Thrust power to rotary power

Rotary power to leaner power

32 / 32

One arm of propeller from hub to tip called.

Propeller

Blade

Blade station

Your score is

The average score is 44%

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The optimum angle for a fixed pitch propeller is.

A left handed propeller is one that.

Forces acting on a propeller are.

The blade angle at the root is.

What force on a propeller blade turns the blades to a fine pitch?

Propeller blades are de-iced by.

Propeller slip rings.

On an electrical deicing system fast cycle is used.

High speed propellers are designed to.

When in the windmill position ATM.

Phosphate is not used bcoz.

Blades coming in contact with salt water should be washed with.

Propeller blade are stored in condition.

Static balance is done by.

Storage of propeller should be.

Auto feathering acomplies.

When speeder spring force dec. The blade angle will be.

If an propeller rotate in underspeed and the blade angle will be.

If an propeller rotate in overspeed and the blade angle will be.

Gyroscopic covering on propeller while storing.

The farthest portion of a propeller blade from hub is called.

The attaching part of a propeller blade from hub is called.

The attaching part of a propeller blade from hub is called.

The primary function front and rear cones when splined propeller shaft.

When flyweight overcome the speeder spling pressure it means.

Where air strike or frwd edge (thick side) of the propeller called.

The centre portion of the propeller called.

Where not air strike or bkwrd edge (thin side) of the propeller called.

Curved/cambered surface of the propeller called.

Flat/thrust surface of the propeller called.

Propeller convert.

One arm of propeller from hub to tip called.

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