Exam quiz Principle of Flight - EASA PPL(A) - Private Pilot License

Question 1

Which of the following options is likely to produce large induced drag?

Accepted Answer

Small aspect ratio

Answer

Large aspect ratio

Answer

Tapered wings

Answer

Low lift coefficients

Question 2

Which practical rule applies to stall?

Accepted Answer

A stall occurs when the critical angle of attack is exceeded

Answer

It is unrelated to angle of attack

Answer

It replaces trim

Answer

It is a runway lighting signal

Question 3

What has to be considered with regard to the centre of gravity position?

Accepted Answer

Only correct loading can assure a correct and safe centre of gravity position.

Answer

The centre of gravity's position can only be determined during flight.

Answer

By moving the elevator trim tab, the centre of gravity can be shifted into a correct position.

Answer

By moving the aileron trim tab, the centre of gravity can be shifted into a correct position.

Question 4

Which statement regarding the "constant-speed propeller" is correct?

Accepted Answer

The pitch of the propeller rises with higher speeds

Answer

The propeller keeps the airspeed constant

Answer

The RPM decreases with lower speeds

Answer

The set RPM is kept constant by the motor power (MAP)

Question 5

Which principle of flight statement is correct? Induced drag is greatest when...

Accepted Answer

speed is low and lift coefficient is high

Answer

It is unrelated to angle of attack

Answer

It cancels drag

Answer

the engine is stopped

Question 6

In normal private flying, which statement about induced drag is correct?

Accepted Answer

It is associated with lift and is greater at low speed and high lift coefficient

Answer

It is determined only by QNH

Answer

It is used only after landing

Answer

It is caused only by radio antennas

Question 7

In normal private flying, which statement about angle of attack is correct?

Accepted Answer

Increasing angle of attack increases lift only up to the critical angle

Answer

Angle of attack is the same as pitch attitude

Answer

It applies only on the ground

Answer

It prevents every stall

Question 8

For safe PPL(A) operation, how should stall speed in a turn be understood?

Accepted Answer

It increases as load factor increases

Answer

It is unrelated to angle of attack

Answer

It occurs only in turbine aircraft

Answer

It decreases in every turn

Question 9

Pressure drag, interference drag and friction drag belong to the group of the...

Accepted Answer

Parasite drag

Answer

Induced drag

Answer

Main resistance

Answer

Total drag

Question 10

Number 2 in the drawing corresponds to the... See figure (PFA-010)

Accepted Answer

Chord.

Answer

Chord line.

Answer

Angle of attack.

Answer

Profile thickness.

Question 11

For safe PPL(A) operation, how should best glide speed be understood?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It replaces trim

Answer

It cancels drag

Answer

It gives minimum sink in every aircraft

Question 12

What is the approximate load factor in a level 50° banked turn?

Accepted Answer

1.6

Answer

1.00

Answer

3.80

Answer

0.50

Question 13

Which principle of flight statement is correct? A forward centre of gravity generally...

Accepted Answer

increases longitudinal stability but may require more elevator authority

Answer

It applies only on the ground

Answer

It is unrelated to angle of attack

Answer

It replaces trim

Question 14

In normal private flying, which statement about best angle and best rate climb is correct?

Accepted Answer

Best angle gives maximum height gain per distance and best rate gives maximum height gain per time

Answer

It affects only passengers

Answer

It is a radio navigation effect

Answer

It is unrelated to angle of attack

Question 15

Differential aileron deflection is used to...

Accepted Answer

Keep the adverse yaw low

Answer

Avoid a stall at low angles of attack

Answer

Increase the rate of descent

Answer

Reduce wake turbulence

Question 16

Which statement about stall speed in a turn is correct for a PPL(A) pilot?

Accepted Answer

It increases as load factor increases

Answer

It decreases in every turn

Answer

It is unaffected by load factor

Answer

It becomes zero in coordinated flight

Question 17

Which statement describes a situation of static stability?

Accepted Answer

An aircraft distorted by external impact will return to the original position

Answer

An aircraft distorted by external impact will tend to an even more deflected position

Answer

An aircraft distorted by external impact can return to its original position by rudder input

Answer

An aircraft distorted by external impact will maintain the deflected position

Question 18

Stall speed in level flight is 45 kt. What is the approximate stall speed in a level 60° banked turn?

Accepted Answer

64 kt

Answer

45 kt

Answer

74 kt

Answer

54 kt

Question 19

Which principle of flight statement is correct? A stall occurs when...

Accepted Answer

the critical angle of attack is exceeded

Answer

It removes the need for aircraft control

Answer

It applies only on the ground

Answer

It is unrelated to angle of attack

Question 20

Which statement is correct for stall?

Accepted Answer

A stall occurs when the critical angle of attack is exceeded

Answer

It removes the need for aircraft control

Answer

It always improves stability

Answer

It replaces trim

Question 21

Which statement gives the best operational interpretation of induced drag?

Accepted Answer

It is associated with lift and is greater at low speed and high lift coefficient

Answer

It is used only after landing

Answer

It is a radio navigation effect

Answer

It always improves stability

Question 22

Number 3 in the drawing corresponds to the... See figure (PFA-010)

Accepted Answer

Camber line

Answer

Chord

Answer

Thickness

Answer

Chord line

Question 23

Which option correctly describes best glide speed?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It changes aircraft registration

Answer

It is measured in litres

Answer

It occurs only in turbine aircraft

Question 24

Which statement gives the best operational interpretation of angle of attack?

Accepted Answer

Increasing angle of attack increases lift only up to the critical angle

Answer

It is a radio navigation effect

Answer

It changes aircraft registration

Answer

It always improves stability

Question 25

The aerodynamic rudder balance...

Accepted Answer

Reduces the control stick forces.

Answer

Improves the rudder effectiveness.

Answer

Reduces the control surfaces.

Answer

Delays the stall.

Question 26

Stall speed in level flight is 55 kt. What is the approximate stall speed in a level 30° banked turn?

Accepted Answer

59 kt

Answer

55 kt

Answer

69 kt

Answer

49 kt

Question 27

Pressure compensation on a wing occurs at the...

Accepted Answer

Wing tips.

Answer

Wing roots.

Answer

Trailing edge.

Answer

Leading edge.

Question 28

Which principle of flight statement is correct? Total drag is the sum of...

Accepted Answer

induced drag and parasite drag

Answer

It replaces trim

Answer

It occurs only in turbine aircraft

Answer

It affects only passengers

Question 29

In normal private flying, which statement about best glide speed is correct?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It is measured in litres

Answer

It is a runway lighting signal

Answer

It is determined only by QNH

Question 30

Which practical rule applies to best glide speed?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It is unrelated to angle of attack

Answer

It replaces trim

Answer

It is a runway lighting signal

Question 31

Which statement about induced drag during the horizontal cruise flight is correct?

Accepted Answer

Induced drag decreases with increasing airspeed

Answer

Induced drag has a minimum at a certain speed and increases at higher as well as lower speeds

Answer

Induced drag has a maximum at a certain speed and decreases at higher as well as lower speeds

Answer

Induced drag increases with increasing airspeed

Question 32

Which practical rule applies to flaps?

Accepted Answer

They increase lift and drag and change pitching moments

Answer

It is a runway lighting signal

Answer

It cancels drag

Answer

It affects only passengers

Question 33

Which principle of flight statement is correct? Longitudinal stability is stability around the...

Accepted Answer

lateral axis

Answer

vertical axis

Answer

It applies only on the ground

Answer

It is a runway lighting signal

Question 34

For a VFR private pilot, what should be remembered about stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It changes aircraft registration

Answer

It always improves stability

Answer

It is measured in litres

Question 35

For a VFR private pilot, what should be remembered about angle of attack?

Accepted Answer

Increasing angle of attack increases lift only up to the critical angle

Answer

It is used only after landing

Answer

It is set by QNH

Answer

It changes aircraft registration

Question 36

Rotation around the vertical axis is called...

Accepted Answer

Yawing

Answer

Rolling

Answer

Pitching

Answer

Slipping

Question 37

An aft centre of gravity generally...

Accepted Answer

reduces longitudinal stability

Answer

increases longitudinal stability

Answer

increases stall warning margin

Answer

moves the wing

Question 38

Bernoulli's equation for frictionless, incompressible gases states that...

Accepted Answer

Total pressure = dynamic pressure + static pressure.

Answer

Static pressure = total pressure + dynamic pressure.

Answer

Total pressure = dynamic pressure - static pressure.

Answer

Dynamic pressure = total pressure + static pressure.

Question 39

For safe PPL(A) operation, how should angle of attack be understood?

Accepted Answer

Increasing angle of attack increases lift only up to the critical angle

Answer

It is set by QNH

Answer

It is unrelated to angle of attack

Answer

It cancels drag

Question 40

Stall speed in level flight is 45 kt. What is the approximate stall speed in a level 45° banked turn?

Accepted Answer

54 kt

Answer

45 kt

Answer

64 kt

Answer

44 kt

Question 41

Which statement about the airflow around an aerofoil is correct if the angle of attack decreases?

Accepted Answer

The centre of pressure moves aft

Answer

The stagnation point remains constant

Answer

The stagnation point moves down

Answer

The centre of pressure moves forward

Question 42

A take-off with flaps in take-off position causes...

Accepted Answer

A shortening of the take-off run.

Answer

An increased rate of climb.

Answer

An increased acceleration.

Answer

A decrease in drag.

Question 43

In a level 45° banked turn, load factor is approximately...

Accepted Answer

1.4

Answer

1

Answer

2

Answer

3

Question 44

Which statement about best glide speed is correct for a PPL(A) pilot?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It gives minimum sink in every aircraft

Answer

It is always manoeuvring speed

Answer

It is chosen by runway heading

Question 45

Which statement is correct for best glide speed?

Accepted Answer

It gives the best still-air glide range when flown at the published mass or corrected as required

Answer

It removes the need for aircraft control

Answer

It always improves stability

Answer

It replaces trim

Question 46

The rudder controls...

Accepted Answer

yaw

Answer

pitch

Answer

roll

Answer

airspeed indication

Question 47

Which principle of flight statement is correct? The rudder controls...

Accepted Answer

yaw

Answer

It is used only after landing

Answer

It removes the need for aircraft control

Answer

It is measured in litres

Question 48

With different aircraft weights, the critical angle of attack is...

Accepted Answer

Is not changed by different aircraft weights.

Answer

Increases with a front centre of gravity.

Answer

Decreases with a rear centre of gravity.

Answer

Is changed by different aircraft weights.

Question 49

During a descent at idle power with constant speed, the propeller lever is moved backwards. How do the propeller pitch and sink rate change?

Accepted Answer

Propeller pitch is increased, sink rate is decreased

Answer

Propeller pitch is increased, sink rate is increased

Answer

Propeller pitch is decreased, sink rate is increased

Answer

Propeller pitch is decreased, sink rate is decreased

Question 50

Which statement concerning a spin is correct?

Accepted Answer

During recovery the ailerons should be kept neutral

Answer

Only very old aeroplanes have a risk of spinning

Answer

During recovery the ailerons should be crossed

Answer

During the spin the speed constantly increases

Question 51

What pattern can be found at the stagnation point?

Accepted Answer

Streamlines are divided into airflow above and below the profile

Answer

The boundary layer starts separating on the upper surface of the profile

Answer

The laminar boundary layer changes into a turbulent boundary layer

Answer

All aerodynamic forces can be considered as attacking at this single point

Question 52

Which statement is correct for centre of gravity and stability?

Accepted Answer

CG position affects longitudinal stability and control forces

Answer

CG does not affect stall recovery

Answer

It changes aircraft registration

Answer

It is unrelated to angle of attack

Question 53

Which principle of flight statement is correct? Recovery from a stall normally requires...

Accepted Answer

reducing angle of attack

Answer

It is measured in litres

Answer

It cancels drag

Answer

closing the throttle only

Question 54

Which statement about the airflow around an aerofoil is correct if the angle of attack increases?

Accepted Answer

The stagnation point moves down

Answer

The centre of pressure moves down

Answer

The centre of pressure moves up

Answer

The stagnation point moves up

Question 55

Which statement about load factor is correct for a PPL(A) pilot?

Accepted Answer

It is the ratio of lift to weight and increases in manoeuvres such as level turns

Answer

It is fuel flow

Answer

It is runway slope

Answer

It is always less than one in turns

Question 56

In normal private flying, which statement about parasite drag is correct?

Accepted Answer

It generally increases as airspeed increases

Answer

It changes aircraft registration

Answer

It replaces trim

Answer

It is determined only by QNH

Question 57

For safe PPL(A) operation, how should spiral dive be understood?

Accepted Answer

It is a steep descending turn with increasing airspeed and unstalled wings

Answer

It is always a stall

Answer

It applies only on the ground

Answer

It is a runway lighting signal

Question 58

How should spin be understood by a private pilot?

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It applies only on the ground

Answer

It replaces trim

Answer

It cancels drag

Question 59

Which principle of flight statement is correct? A spin requires...

Accepted Answer

a stall and yaw

Answer

It is unrelated to angle of attack

Answer

It is a runway lighting signal

Answer

It affects only passengers

Question 60

How do lift and drag change when approaching a stall condition?

Accepted Answer

Lift decreases and drag increases

Answer

Lift and drag decrease

Answer

Lift and drag increase

Answer

Lift increases and drag decreases

Question 61

What is the correct operational meaning of parasite drag?

Accepted Answer

It generally increases as airspeed increases

Answer

It exists only during taxi

Answer

It always improves stability

Answer

It occurs only in turbine aircraft

Question 62

The fin contributes mainly to...

Accepted Answer

directional stability

Answer

lateral instability

Answer

lift production

Answer

fuel flow

Question 63

For a VFR private pilot, what should be remembered about coordinated flight?

Accepted Answer

Balanced rudder and aileron use helps avoid sideslip and reduces stall/spin risk

Answer

It prevents every stall

Answer

It occurs only in turbine aircraft

Answer

It is determined only by QNH

Question 64

Which principle of flight statement is correct? Stall speed increases with...

Accepted Answer

increased load factor

Answer

It changes aircraft registration

Answer

It is unrelated to angle of attack

Answer

It prevents every stall

Exam simulation Principle of Flight - EASA PPL(A) - Private Pilot License

Exam simulation EASA PPL(A) Exam Question Bank Principle of Flight 120 questions on 120 minutes

Exam simulation Principle of Flight - EASA PPL(A) - Private Pilot License

Exam simulation EASA PPL(A) Exam Question Bank Principle of Flight 120 questions on 120 minutes

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