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

Question 1

What is the approximate load factor in a level 20° banked turn?

Accepted Answer

1.1

Answer

It occurs only in turbine aircraft

Answer

It is used only after landing

Answer

It is a radio navigation effect

Question 2

Which practical rule applies to trim?

Accepted Answer

Trim reduces sustained control forces but does not replace active aircraft control

Answer

Trim changes wing area

Answer

It applies only on the ground

Answer

It prevents every stall

Question 3

Which option correctly describes stall?

Accepted Answer

A stall occurs when the critical angle of attack is exceeded

Answer

It changes aircraft registration

Answer

It is measured in litres

Answer

It occurs only in turbine aircraft

Question 4

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 5

How should coordinated flight be understood by a private pilot?

Accepted Answer

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

Answer

It is unrelated to angle of attack

Answer

It is a runway lighting signal

Answer

It affects only passengers

Question 6

Which statement concerning the angle of attack is correct?

Accepted Answer

A too large angle of attack may result in a loss of lift

Answer

The angle of attack cannot be negative

Answer

Increasing the angle of attack results in decreasing lift

Answer

The angle of attack is constant throughout the flight

Question 7

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 8

The angle (alpha) shown in the figure is referred to as... See figure (PFA-003) DoF: direction of airflow

Accepted Answer

Angle of attack.

Answer

Lift angle.

Answer

Angle of incidence.

Answer

Angle of inclination.

Question 9

Which option states a benefit of wing washout?

Accepted Answer

At high angles of attack the effectiveness of the aileron is retained as long as possible

Answer

Structurally the wing is made more rigid against rotation

Answer

With the washout the form drag reduces at high speeds

Answer

Greater hardness because the wing can withstand more torsion forces

Question 10

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 11

Which principle of flight statement is correct? Extending flaps usually...

Accepted Answer

decreases stall speed

Answer

It cancels drag

Answer

It affects only passengers

Answer

increases stall speed

Question 12

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

Accepted Answer

longitudinal axis

Answer

vertical axis

Answer

It is a radio navigation effect

Answer

It changes aircraft registration

Question 13

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 14

The elevator controls...

Accepted Answer

pitch

Answer

yaw

Answer

roll

Answer

mixture

Question 15

Which of the listed wing shapes has the lowest induced drag?

Accepted Answer

Elliptical shape

Answer

Double trapezoidal shape

Answer

Rectangular shape

Answer

Trapezoidal shape

Question 16

How is the balance of forces affected during a turn?

Accepted Answer

Lift force must be increased to compensate for the sum of centrifugal and gravitational force

Answer

The net force results from superposition of gravity and centripetal forces

Answer

The horizontal component of the lift force during a turn is the centrifugal force

Answer

A lower lift force compensates for a lower net force as compared to level flight

Question 17

Which statement is correct for induced drag?

Accepted Answer

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

Answer

It prevents every stall

Answer

It cancels drag

Answer

It is used only after landing

Question 18

Before departure, 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 applies only on the ground

Answer

It prevents every stall

Answer

It affects only passengers

Question 19

What should a private pilot remember about flaps?

Accepted Answer

They increase lift and drag and change pitching moments

Answer

It is unrelated to angle of attack

Answer

It prevents every stall

Answer

It cancels drag

Question 20

Longitudinal stability is stability around the...

Accepted Answer

lateral axis

Answer

vertical axis

Answer

longitudinal axis

Answer

static port

Question 21

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 22

Which practical rule applies to angle of attack?

Accepted Answer

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

Answer

Lift increases forever

Answer

It removes the need for aircraft control

Answer

It is unrelated to angle of attack

Question 23

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 24

For a VFR private pilot, what should be remembered about centre of gravity and stability?

Accepted Answer

CG position affects longitudinal stability and control forces

Answer

It removes the need for aircraft control

Answer

It is measured in litres

Answer

It cancels drag

Question 25

"Longitudinal stability" is referred to as stability around which axis?

Accepted Answer

Lateral axis

Answer

Propeller axis

Answer

Vertical axis

Answer

Longitudinal axis

Question 26

Which principle of flight statement is correct? Parasite drag generally increases with...

Accepted Answer

speed squared

Answer

It is measured in litres

Answer

It prevents every stall

Answer

It occurs only in turbine aircraft

Question 27

Lift is the component of aerodynamic force...

Accepted Answer

perpendicular to the relative airflow

Answer

parallel to the relative airflow

Answer

parallel to weight

Answer

opposite to thrust only

Question 28

What is the function of the static rudder balance?

Accepted Answer

To prevent control surface flutter

Answer

To trim the controls almost without any force

Answer

To increase the control stick forces

Answer

To limit the control stick forces

Question 29

For safe PPL(A) operation, how should load factor be understood?

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 always less than one in turns

Answer

It removes the need for aircraft control

Question 30

Which principle of flight statement is correct? Manoeuvring speed is important because below it...

Accepted Answer

the aircraft should stall before exceeding the limit load under abrupt full control input

Answer

It always improves stability

Answer

It replaces trim

Answer

It occurs only in turbine aircraft

Question 31

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 32

How do induced drag and parasite drag change with increasing airspeed during a horizontal and stable cruise flight?

Accepted Answer

Induced drag decreases and parasite drag increase

Answer

Parasite drag decreases and induced drag increases

Answer

Parasite drag decreases and induced drag decreases

Answer

Induced drag increases and parasite drag increases

Question 33

During cruise flight with constant power setting, an aircraft shows a permanent tendency to raise the nose. How can this tendency be eliminated?

Accepted Answer

By deflecting the elevator trim tab upwards

Answer

By shifting the centre of gravity backwards

Answer

By elevator deflection upwards

Answer

By deflecting the elevator trim tab downwards

Question 34

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 35

What should a private pilot remember about trim?

Accepted Answer

Trim reduces sustained control forces but does not replace active aircraft control

Answer

It is determined only by QNH

Answer

It is a radio navigation effect

Answer

It is measured in litres

Question 36

Which statement about lift and angle of attack is correct?

Accepted Answer

Increasing the angle of attack too far may result in a loss of lift and an airflow separation

Answer

Too large angles of attack can lead to an exponential increase in lift

Answer

Increasing the angle of attack results in less lift being generated by the aerofoil

Answer

Decreasing the angle of attack results in more drag being generated by the aerofoil

Question 37

When increasing the airflow speed by a factor of 2 while keeping all other parameters constant, how does the parasite drag change approximately?

Accepted Answer

It increases by a factor of 4

Answer

It decreases by a factor of 2

Answer

It increases by a factor of 2

Answer

It decreases by a factor of 4

Question 38

In normal private flying, which statement about flaps is correct?

Accepted Answer

They increase lift and drag and change pitching moments

Answer

It occurs only in turbine aircraft

Answer

It affects only passengers

Answer

They decrease wing camber

Question 39

How should load factor be understood by a private pilot?

Accepted Answer

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

Answer

It occurs only in turbine aircraft

Answer

It is determined only by QNH

Answer

It is used only after landing

Question 40

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

Accepted Answer

Camber line

Answer

Chord

Answer

Thickness

Answer

Chord line

Question 41

For safe PPL(A) operation, how should parasite drag be understood?

Accepted Answer

It generally increases as airspeed increases

Answer

It applies only on the ground

Answer

It is a runway lighting signal

Answer

It decreases with the square of speed

Question 42

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

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is unrelated to angle of attack

Answer

It cancels drag

Answer

It is recovered by increasing angle of attack

Question 43

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 44

The angle of attack is the angle between...

Accepted Answer

The chord line and the oncoming airflow

Answer

The undisturbed airflow and the longitudinal axis of an aeroplane

Answer

The chord line and the longitudinal axis of an aeroplane

Answer

The wing and the fuselage of an aeroplane

Question 45

Stall speed increases with...

Accepted Answer

increased load factor

Answer

lower mass

Answer

lower load factor

Answer

higher temperature only

Question 46

The trim tab at the elevator is deflected upwards. In which position is the corresponding indicator?

Accepted Answer

Nose-down position

Answer

Neutral position

Answer

Nose-up position

Answer

Laterally trimmed

Question 47

What types of boundary layers can be found on an aerofoil?

Accepted Answer

Laminar layer at the leading wing areas, turbulent boundary layer at the trailing areas

Answer

Turbulent boundary layer along the complete upper surface with separated airflow

Answer

Turbulent layer at the leading wing areas, laminar boundary layer at the trailing areas

Answer

Laminar boundary layer along the complete upper surface with non-separated airflow

Question 48

For a VFR private pilot, what should be remembered about ground effect?

Accepted Answer

It reduces induced drag close to the ground and can affect landing and take-off behaviour

Answer

It is a navigation radio error

Answer

It changes aircraft registration

Answer

It is measured in litres

Question 49

Which practical rule applies to spin?

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is measured in litres

Answer

It prevents every stall

Answer

It occurs only in turbine aircraft

Question 50

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

Accepted Answer

vertical axis

Answer

wing chord

Answer

It changes aircraft registration

Answer

It is unrelated to angle of attack

Question 51

Which principle of flight statement is correct? Adverse yaw is caused mainly by...

Accepted Answer

different drag on the wings when ailerons are deflected

Answer

It prevents every stall

Answer

It occurs only in turbine aircraft

Answer

It is determined only by QNH

Question 52

What is correct about stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It becomes zero in coordinated flight

Answer

It applies only on the ground

Answer

It replaces trim

Question 53

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

Accepted Answer

They increase lift and drag and change pitching moments

Answer

It cancels drag

Answer

They remove stall risk

Answer

It removes the need for aircraft control

Question 54

The pressure compensation between wing upper and lower surfaces results in ...

Accepted Answer

Induced drag by wing tip vortices.

Answer

Laminar airflow by wing tip vortices.

Answer

Profile drag by wing tip vortices.

Answer

Lift by wing tip vortices.

Question 55

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 56

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 57

Stabilization around the lateral axis during cruise is achieved by the...

Accepted Answer

Horizontal stabilizer.

Answer

Ailerons.

Answer

Wing flaps.

Answer

Vertical rudder.

Question 58

What should a private pilot remember about angle of attack?

Accepted Answer

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

Answer

It cancels drag

Answer

Angle of attack is the same as pitch attitude

Answer

It applies only on the ground

Question 59

In straight and level flight with constant performance of the engine, the angle of attack at the wing is...

Accepted Answer

Smaller than in a climb

Answer

Greater than in a climb

Answer

Greater than at take-off

Answer

Smaller than in a descent

Question 60

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

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is the same as a coordinated steep turn

Answer

It cannot happen from uncoordinated flight

Answer

It is recovered by increasing angle of attack

Question 61

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

Accepted Answer

Trim reduces sustained control forces but does not replace active aircraft control

Answer

Trim is an autopilot

Answer

It removes the need for aircraft control

Answer

It is unrelated to angle of attack

Question 62

Which practical rule applies to induced drag?

Accepted Answer

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

Answer

It cancels drag

Answer

It disappears near the stall

Answer

It is unrelated to angle of attack

Question 63

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 64

Lateral stability is stability around the...

Accepted Answer

longitudinal axis

Answer

lateral axis

Answer

vertical axis

Answer

pitot tube

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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