Exam quiz Principles of Flight (Aeroplane) - EASA PPL(A) - Private Pilot Licence (Aeroplane)

Question 1

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

Accepted Answer

they generally increase maximum lift coefficient and drag, and change pitching moments

Answer

They eliminate stall risk

Answer

They decrease wing camber in every case

Answer

They are used solely to increase cruising speed

Question 2

The rudder controls...

Accepted Answer

yaw

Answer

pitch as its primary controlled motion

Answer

roll as its primary controlled motion

Answer

indicated airspeed without affecting yaw

Question 3

Which principle of flight statement is correct? Ground effect reduces...

Accepted Answer

induced drag near the surface

Answer

aircraft weight

Answer

aircraft mass

Answer

parasite drag to zero

Question 4

What is a principal aerodynamic benefit of a leading-edge slot or slat?

Accepted Answer

It delays airflow separation and can increase maximum lift coefficient and critical angle of attack.

Answer

It makes the wing stall at a lower angle of attack in every case.

Answer

It eliminates all drag at take-off and landing.

Answer

It removes the need to observe the critical angle of attack.

Question 5

Which statement about centre of gravity and stability is correct for a PPL(A) pilot?

Accepted Answer

CG position affects longitudinal stability and control forces

Answer

CG position affects only radio reception

Answer

Being below maximum mass permits a CG outside approved limits

Answer

CG position has no influence on stall or spin recovery

Question 6

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 rate in every aircraft

Answer

It always equals manoeuvring speed

Answer

It is independent of aircraft mass and configuration

Question 7

Lift is the component of aerodynamic force...

Accepted Answer

perpendicular to the relative airflow

Answer

parallel to the relative wind

Answer

always parallel to weight regardless of flight attitude

Answer

always opposite to thrust regardless of flight path

Question 8

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

Accepted Answer

increased load factor

Answer

lower mass under otherwise equal conditions

Answer

lower load factor under otherwise equal conditions

Answer

a change in air temperature alone, without changing configuration or load factor

Question 9

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

Accepted Answer

directional stability

Answer

pitch stability alone

Answer

pitch control without affecting yaw

Answer

roll control without affecting yaw

Question 10

Which statement gives the best operational interpretation of stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It decreases in every turn regardless of load factor

Answer

It is unaffected by load factor

Answer

It becomes zero during coordinated flight

Question 11

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

Accepted Answer

a stall and yaw

Answer

only high speed with unstalled wings

Answer

only engine failure with no stall or yaw

Answer

only a steep descent with unstalled wings

Question 12

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 13

Which statement is correct for stall?

Accepted Answer

A stall occurs when the critical angle of attack is exceeded

Answer

It occurs only at one fixed indicated airspeed

Answer

It is caused solely by low fuel pressure

Answer

It cannot occur during a turn

Question 14

Pressure compensation on a wing occurs at the...

Accepted Answer

Wing tips.

Answer

Wing roots.

Answer

Trailing edge.

Answer

Leading edge.

Question 15

What is the correct operational meaning of spin?

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is the same as a coordinated turn with unstalled wings

Answer

It cannot develop from an uncoordinated stall

Answer

Recovery is achieved by increasing angle of attack

Question 16

With conventional ailerons and no coordinating rudder input, right aileron up and left aileron down initially tend to produce...

Accepted Answer

Rolling to the right, yawing to the left

Answer

Rolling to the left, no yawing

Answer

Rolling to the right, yawing to the right

Answer

Rolling to the left, yawing to the right

Question 17

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 acts as an autopilot that maintains a flight path

Answer

Trim changes the geometric wing area

Answer

Trim prevents every possible stall

Question 18

Which effect does a decreasing airspeed have on the induced drag during a horizontal and stable cruise flight?

Accepted Answer

The induced drag will increase

Answer

The induced drag will collapse

Answer

The induced drag will remain constant

Answer

The induced drag will slightly decrease

Question 19

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

Accepted Answer

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

Answer

It is greatest when wing lift is zero

Answer

It is caused only by skin friction on the fuselage

Answer

It disappears as lift coefficient becomes high near the stall

Question 20

Which practical rule applies to coordinated flight?

Accepted Answer

coordinated control use avoids unwanted slip or skid and reduces the risk of a stall developing into a spin; it does not prevent every stall

Answer

The slip/skid ball should be ignored in every manoeuvre

Answer

Coordination matters only on the ground

Answer

Uncoordinated flight always improves safety near the stall

Question 21

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 gives minimum sink rate in every aircraft

Answer

It always equals manoeuvring speed

Answer

It is independent of aircraft mass and configuration

Question 22

What is the load factor in a steady coordinated level turn at 20° bank, rounded to one decimal place?

Accepted Answer

1.1

Answer

1.0

Answer

1.4

Answer

2.0

Question 23

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 24

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 25

For an unchanged aerofoil, configuration and flow conditions, how does aircraft weight affect the critical angle of attack?

Accepted Answer

Is independent of the weight.

Answer

Changes with increasing weight.

Answer

Decreases with forward centre of gravity position.

Answer

Increases with backward centre of gravity position.

Question 26

For a conventional elevator trim-tab system, upward tab deflection corresponds to which trim direction?

Accepted Answer

Nose-down position

Answer

Neutral position

Answer

Nose-up position

Answer

Laterally trimmed

Question 27

Which practical rule applies to spiral dive?

Accepted Answer

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

Answer

Both wings are necessarily stalled throughout it

Answer

Airspeed always remains constant

Answer

It is safely recovered by increasing back pressure without first reducing bank

Question 28

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

Accepted Answer

Horizontal stabilizer.

Answer

Ailerons.

Answer

Wing flaps.

Answer

Vertical rudder.

Question 29

How should spin be understood by a private pilot?

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is the same as a coordinated turn with unstalled wings

Answer

It cannot develop from an uncoordinated stall

Answer

Recovery is achieved by increasing angle of attack

Question 30

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

Accepted Answer

lateral axis

Answer

vertical axis

Answer

longitudinal axis

Answer

all axes equally by definition

Question 31

Which principle of flight statement is correct? Drag is the component of aerodynamic force...

Accepted Answer

parallel to the relative wind and opposite to the aircraft’s motion through the air

Answer

perpendicular to the relative wind

Answer

always vertically upward

Answer

always equal to thrust in every flight condition

Question 32

Which statement gives the best operational interpretation of parasite drag?

Accepted Answer

It generally increases as airspeed increases

Answer

It decreases in proportion to speed squared

Answer

It exists only while taxiing

Answer

It is the same aerodynamic component as lift

Question 33

What is correct about trim?

Accepted Answer

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

Answer

Trim acts as an autopilot that maintains a flight path

Answer

Trim changes the geometric wing area

Answer

Trim prevents every possible stall

Question 34

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

Accepted Answer

It involves stalled autorotation and requires prompt correct recovery action

Answer

It is the same as a coordinated turn with unstalled wings

Answer

It cannot develop from an uncoordinated stall

Answer

Recovery is achieved by increasing angle of attack

Question 35

For a conventionally cambered aerofoil before stall and at positive lift coefficient, the centre of pressure generally...

Accepted Answer

Moves to the trailing edge while the angle of attack becomes smaller.

Answer

Moves to the leading edge while the angle of attack becomes smaller.

Answer

Is located at approximately 25% of the chord, measured from the leading edge.

Answer

Does not move since it is independent of the angle of attack.

Question 36

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

Accepted Answer

yaw

Answer

pitch as its primary controlled motion

Answer

roll as its primary controlled motion

Answer

indicated airspeed without affecting yaw

Question 37

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 38

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

Accepted Answer

reducing angle of attack

Answer

increasing back pressure to increase angle of attack

Answer

closing the throttle without reducing angle of attack

Answer

increasing bank while holding the stalled angle of attack

Question 39

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 gives minimum sink rate in every aircraft

Answer

It always equals manoeuvring speed

Answer

It is independent of aircraft mass and configuration

Question 40

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 gives minimum sink rate in every aircraft

Answer

It always equals manoeuvring speed

Answer

It is independent of aircraft mass and configuration

Question 41

Drag is the component of aerodynamic force...

Accepted Answer

parallel to the relative wind and opposite to the aircraft’s motion through the air

Answer

perpendicular to the relative wind

Answer

always vertically upward

Answer

always equal to thrust in every flight condition

Question 42

A spin requires...

Accepted Answer

a stall and yaw

Answer

only high speed with unstalled wings

Answer

only engine failure with no stall or yaw

Answer

only a steep descent with unstalled wings

Question 43

Which statement correctly distinguishes a spin from a spiral dive?

Accepted Answer

A spin involves stalled autorotation, often at low airspeed; a spiral dive generally has unstalled wings and rapidly increasing airspeed.

Answer

A spin always has unstalled wings; a spiral dive always has stalled wings.

Answer

Both are always recovered solely by increasing back pressure.

Answer

Neither involves a descending turn.

Question 44

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

Accepted Answer

at unchanged speed and configuration, increasing angle of attack increases lift coefficient up to the critical angle

Answer

Lift coefficient increases indefinitely beyond the critical angle

Answer

Angle of attack is always identical to pitch attitude

Answer

Changing angle of attack cannot cause flow separation

Question 45

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

Accepted Answer

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

Answer

It greatly increases induced drag at unchanged lift

Answer

It occurs only above the clouds

Answer

It removes the need for sufficient speed to climb out of ground effect

Question 46

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

Accepted Answer

decreases stall speed

Answer

increases stall speed under otherwise equal conditions

Answer

has no effect on maximum lift coefficient

Answer

reduces drag without changing lift characteristics

Question 47

What is the correct operational meaning of best angle and best rate climb?

Accepted Answer

best angle maximises height gain per distance through the air in still air; best rate maximises height gain per time

Answer

Best angle and best rate speeds are identical in every condition

Answer

Best rate necessarily gives the shortest distance through the air to gain height

Answer

Best angle means maximum forward speed rather than climb gradient

Question 48

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 49

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 the ratio of drag to thrust in every condition

Answer

It is always below one in a steady level turn

Answer

It is the ratio of airspeed to ground speed

Question 50

In case of a stall it is important to...

Accepted Answer

Decrease the angle of attack and increase the speed

Answer

Increase the bank angle and reduce the speed

Answer

Increase the angle of attack and increase the speed.

Answer

Increase the angle of attack and reduce the speed.

Question 51

Which principle of flight statement is correct? Angle of attack is the angle between...

Accepted Answer

the chord line and the relative airflow

Answer

the wing chord and the longitudinal aircraft axis

Answer

the longitudinal axis and the horizon

Answer

the flight path and the horizon

Question 52

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

Accepted Answer

2

Answer

1

Answer

1.4

Answer

3.8

Question 53

Rudder deflections result in a turn of the aeroplane around the...

Accepted Answer

Vertical axis.

Answer

Rudder axis.

Answer

Lateral axis.

Answer

Longitudinal axis.

Question 54

Which situation describes positive static stability?

Accepted Answer

After a small disturbance, an initial restoring tendency acts towards the original equilibrium.

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 55

The fin contributes mainly to...

Accepted Answer

directional stability

Answer

pitch stability alone

Answer

pitch control without affecting yaw

Answer

roll control without affecting yaw

Question 56

The bank in a two-minute turn (rate one turn) depends on the...

Accepted Answer

TAS

Answer

Weight

Answer

Wind

Answer

Load factor

Question 57

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 turn with unstalled wings

Answer

It cannot develop from an uncoordinated stall

Answer

Recovery is achieved by increasing angle of attack

Question 58

What is correct about flaps?

Accepted Answer

they generally increase maximum lift coefficient and drag, and change pitching moments

Answer

They eliminate stall risk

Answer

They decrease wing camber in every case

Answer

They are used solely to increase cruising speed

Question 59

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

Accepted Answer

It increases as load factor increases

Answer

It decreases in every turn regardless of load factor

Answer

It is unaffected by load factor

Answer

It becomes zero during coordinated flight

Question 60

At the same airspeed and angle of attack, what aerodynamic effect occurs close to the ground?

Accepted Answer

Lift coefficient can increase and induced drag decreases.

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 61

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

Accepted Answer

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

Answer

Both wings are necessarily stalled throughout it

Answer

Airspeed always remains constant

Answer

It is safely recovered by increasing back pressure without first reducing bank

Question 62

In steady level flight at unchanged weight and configuration, 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 wing produces no lift

Answer

lift coefficient is zero

Question 63

Stability around which axis is mainly influenced by the centre of gravity's longitudinal position?

Accepted Answer

Lateral axis

Answer

Vertical axis

Answer

Longitudinal axis

Answer

Gravity axis

Question 64

What is the approximate load factor in a level 60° banked turn?

Accepted Answer

2

Answer

1

Answer

1.4

Answer

3.8

Exam simulation Principles of Flight (Aeroplane) - EASA PPL(A) - Private Pilot Licence (Aeroplane)

Exam simulation EASA PPL(A) Theory Exam Questions in English Principles of Flight (Aeroplane) 120 questions on 120 minutes

Exam simulation Principles of Flight (Aeroplane) - EASA PPL(A) - Private Pilot Licence (Aeroplane)

Exam simulation EASA PPL(A) Theory Exam Questions in English Principles of Flight (Aeroplane) 120 questions on 120 minutes

You have reached the free limit

Upgrading to PRO gives you access to: