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

Question 1

Rotation around the vertical axis is called...

Accepted Answer

Yawing

Answer

Rolling

Answer

Pitching

Answer

Slipping

Question 2

The elevator deflection during take-off rotation...

Accepted Answer

Is increased for a front centre of gravity.

Answer

Is increased for a rear centre of gravity.

Answer

Is increased at high speeds.

Answer

Is independent of the speed.

Question 3

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 4

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 5

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 6

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 7

The ratio of span and mean chord length is referred to as...

Accepted Answer

Aspect ratio.

Answer

Trapezium shape.

Answer

Tapering.

Answer

Wing sweep.

Question 8

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 9

Recovery from a stall normally requires...

Accepted Answer

reducing angle of attack

Answer

increasing back pressure

Answer

closing the throttle only

Answer

turning on pitot heat only

Question 10

For pre-flight preparation, 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 affects only passengers

Answer

Lift increases forever

Answer

It is set by QNH

Question 11

Induced drag is greatest when...

Accepted Answer

speed is low and lift coefficient is high

Answer

speed is high and lift coefficient is low

Answer

the aircraft is parked

Answer

the engine is stopped

Question 12

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 13

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

Question 14

Which point on the aerofoil is represented by number 1? See figure (PFA-009)

Accepted Answer

Stagnation point

Answer

Transition point

Answer

Centre of pressure

Answer

Separation point

Question 15

For pre-flight preparation, which option correctly describes centre of gravity and stability?

Accepted Answer

CG position affects longitudinal stability and control forces

Answer

It is a radio navigation effect

Answer

It always improves stability

Answer

It prevents every stall

Question 16

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 17

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 18

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 19

Ground effect reduces...

Accepted Answer

induced drag near the surface

Answer

weight

Answer

mass

Answer

parasite drag to zero

Question 20

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 21

Which curve represents the induced drag? See Appendix (PFA-011)

Accepted Answer

1

Answer

4

Answer

2

Answer

3

Question 22

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 23

In normal private flying, which statement about spiral dive is correct?

Accepted Answer

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

Answer

It is used only after landing

Answer

It removes the need for aircraft control

Answer

It is measured in litres

Question 24

During a straight and steady climb, which force acts additionally, and in the same direction as the drag force, resulting in more power required for climb than for horizontal flight?

Accepted Answer

A component of the weight force along the rearward flight path.

Answer

The vertical component of the weight force.

Answer

A component of the thrust along the rearward flightpath.

Answer

A component of the lift force along the forward flightpath.

Question 25

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

Accepted Answer

They increase lift and drag and change pitching moments

Answer

They remove stall risk

Answer

They decrease wing camber

Answer

They are used only to increase cruise speed

Question 26

For a VFR private pilot, what should be remembered about 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 always improves stability

Answer

It occurs only in turbine aircraft

Answer

It is always manoeuvring speed

Question 27

Which point on the aerofoil is represented by number 4? See figure (PFA-009)

Accepted Answer

Separation point

Answer

Centre of pressure

Answer

Transition point

Answer

Stagnation point

Question 28

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 29

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 30

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

Accepted Answer

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

Answer

It is determined only by QNH

Answer

It is runway slope

Answer

It changes aircraft registration

Question 31

All aerodynamic forces can be considered to act on a single point. This point is called...

Accepted Answer

Centre of pressure.

Answer

Centre of gravity.

Answer

Lift point.

Answer

Transition point.

Question 32

A balanced turn requires...

Accepted Answer

coordinated use of aileron and rudder

Answer

rudder only

Answer

elevator only

Answer

no control input

Question 33

When reviewing the flight, how should parasite drag be understood by a private pilot?

Accepted Answer

It generally increases as airspeed increases

Answer

It is the same as lift

Answer

It removes the need for aircraft control

Answer

It applies only on the ground

Question 34

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 35

Stall speed in level flight is 50 kt. What is the approximate stall speed in a level 60° banked turn?

Accepted Answer

71 kt

Answer

50 kt

Answer

81 kt

Answer

61 kt

Question 36

Which principle of flight statement is correct? The fin contributes mainly to...

Accepted Answer

directional stability

Answer

It removes the need for aircraft control

Answer

It is measured in litres

Answer

It cancels drag

Question 37

Which principle of flight statement is correct? An aft centre of gravity generally...

Accepted Answer

reduces longitudinal stability

Answer

It changes aircraft registration

Answer

It prevents every stall

Answer

It is used only after landing

Question 38

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

Accepted Answer

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

Answer

The slip ball should be ignored

Answer

Coordination matters only on the ground

Answer

Uncoordinated flight always improves safety

Question 39

Lateral stability is stability around the...

Accepted Answer

longitudinal axis

Answer

lateral axis

Answer

vertical axis

Answer

pitot tube

Question 40

Which constructive feature is shown in the figure? See figure (PFA-006) L: Lift

Accepted Answer

Lateral stability by wing dihedral

Answer

Longitudinal stability by wing dihedral

Answer

Differential aileron deflection

Answer

Directional stability by lift generation

Question 41

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

Accepted Answer

It generally increases as airspeed increases

Answer

It is a radio navigation effect

Answer

It applies only on the ground

Answer

It is measured in litres

Question 42

The stall warning will be activated just before reaching which speed?

Accepted Answer

VS

Answer

VNE

Answer

VX

Answer

VR

Question 43

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

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It replaces trim

Answer

It occurs only in turbine aircraft

Answer

It affects only passengers

Question 44

Which practical rule applies to ground effect?

Accepted Answer

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

Answer

It occurs only above cloud

Answer

It always improves stability

Answer

It is a runway lighting signal

Question 45

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 46

Which option correctly describes induced drag?

Accepted Answer

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

Answer

It replaces trim

Answer

It is a runway lighting signal

Answer

It cancels drag

Question 47

In a level 60° banked turn, load factor is approximately...

Accepted Answer

2

Answer

1

Answer

1.4

Answer

3.8

Question 48

What is meant by "ground effect"?

Accepted Answer

Increase of lift and decrease of induced drag close to the ground

Answer

Increase of lift and increase of induced drag close to the ground

Answer

Decrease of lift and increase of induced drag close to the ground

Answer

Decrease of lift and decrease of induced drag close to the ground

Question 49

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

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It prevents every stall

Answer

It is determined only by QNH

Answer

It cannot happen from uncoordinated flight

Question 50

What describes "wing loading"?

Accepted Answer

Weight per wing area

Answer

Drag per wing area

Answer

Drag per weight

Answer

Wing area per weight

Question 51

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

Accepted Answer

pitch

Answer

It affects only passengers

Answer

mixture

Answer

It applies only on the ground

Question 52

Best glide speed is near...

Accepted Answer

the speed for maximum lift-to-drag ratio

Answer

VNE

Answer

zero airspeed

Answer

maximum flap extension speed only

Question 53

In normal private flying, which statement about centre of gravity and stability is correct?

Accepted Answer

CG position affects longitudinal stability and control forces

Answer

It applies only on the ground

Answer

It is unrelated to angle of attack

Answer

It replaces trim

Question 54

Before departure, what is correct about stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It removes the need for aircraft control

Answer

It replaces trim

Answer

It affects only passengers

Question 55

How should best angle and best rate climb be understood by a private pilot?

Accepted Answer

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

Answer

It is a runway lighting signal

Answer

They are the same in all conditions

Answer

It applies only on the ground

Question 56

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

Accepted Answer

A stall occurs when the critical angle of attack is exceeded

Answer

It occurs only at one fixed airspeed

Answer

It is caused by low fuel pressure only

Answer

It cannot occur in a turn

Question 57

Load factor in a level turn increases because...

Accepted Answer

lift must increase to maintain altitude

Answer

weight decreases

Answer

gravity changes

Answer

thrust becomes zero

Question 58

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 59

The laminar boundary layer on the aerofoil is located between...

Accepted Answer

The stagnation point and the transition point.

Answer

The transition point and the separation point.

Answer

The transition point and the centre of pressure.

Answer

The stagnation point and the centre of pressure.

Question 60

Deflecting the rudder to the left causes...

Accepted Answer

Yawing of the aircraft to the left.

Answer

Pitching of the aircraft to the right.

Answer

Yawing of the aircraft to the right.

Answer

Pitching of the aircraft to the left.

Question 61

Which statement gives the best operational interpretation of flaps?

Accepted Answer

They increase lift and drag and change pitching moments

Answer

It is determined only by QNH

Answer

They are used only to increase cruise speed

Answer

It always improves stability

Question 62

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 63

Which practical rule applies to stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It applies only on the ground

Answer

It is measured in litres

Answer

It is a runway lighting signal

Question 64

What structural item provides lateral stability to an aeroplane?

Accepted Answer

Wing dihedral

Answer

Differential aileron deflection

Answer

Vertical tail

Answer

Elevator

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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