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

Question 1

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 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

Stall speed in level flight is 50 kt. What is the approximate stall speed in a level 45° banked turn?

Accepted Answer

59 kt

Answer

50 kt

Answer

69 kt

Answer

49 kt

Question 4

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

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 5

Which practical rule applies to 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 6

Lateral stability is stability around the...

Accepted Answer

longitudinal axis

Answer

lateral axis

Answer

vertical axis

Answer

all axes equally by definition

Question 7

Static gas pressure acts...

Accepted Answer

In all directions.

Answer

Only vertical to the flow direction.

Answer

Only in the direction of the total pressure.

Answer

Only in flow direction.

Question 8

For safe PPL(A) operation, how should centre of gravity and stability be understood?

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 9

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 10

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 11

What should a private pilot remember 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 12

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 13

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 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 14

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 15

Which practical rule applies to centre of gravity and stability?

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 16

What is correct about 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 17

In normal private flying, which statement about coordinated flight is correct?

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 18

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 19

For a VFR private pilot, what should be remembered about 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 20

Which statement gives the best operational interpretation of 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 21

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 22

Which statement gives the best operational interpretation of 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 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

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 24

Ailerons control...

Accepted Answer

roll

Answer

yaw as their primary controlled motion

Answer

pitch as their primary controlled motion

Answer

vertical speed without affecting bank

Question 25

How should a pilot respond to a stall warning, subject to the AFM/POH?

Accepted Answer

Reduce angle of attack promptly and apply power as prescribed, while maintaining control.

Answer

Pull the elevator, increase power

Answer

Pull the elevator, decrease power

Answer

Raise the nose to decrease airspeed

Question 26

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

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 27

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

Accepted Answer

Loading and the effects of fuel use must be checked so that the CG remains within approved limits throughout flight.

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 28

What is a purpose of mass balancing a control surface?

Accepted Answer

Reduce the risk of 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

In a steady coordinated level turn, how must lift be arranged to maintain altitude and turn?

Accepted Answer

Total lift increases: its vertical component balances weight and its horizontal component supplies the centripetal 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 30

Which option correctly describes ground effect?

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 31

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

Accepted Answer

1

Answer

4

Answer

2

Answer

3

Question 32

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

Accepted Answer

Lateral axis

Answer

Propeller axis

Answer

Vertical axis

Answer

Longitudinal axis

Question 33

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 34

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 35

Load factor in a level turn increases because...

Accepted Answer

lift must increase to maintain altitude

Answer

aircraft weight decreases automatically

Answer

gravity becomes stronger with bank

Answer

lift must remain equal to weight regardless of bank angle

Question 36

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 37

Longitudinal stability is stability around the...

Accepted Answer

lateral axis

Answer

vertical axis

Answer

longitudinal axis

Answer

all axes equally by definition

Question 38

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 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 39

Point number 1 in the figure indicates which flight state? See figure (PFA-008)

Accepted Answer

Inverted flight

Answer

Stall

Answer

Best gliding angle

Answer

Slow flight

Question 40

Which principle of flight statement is correct? 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 41

For a conventionally cambered aerofoil before stall, how does the centre of pressure generally move as angle of attack increases?

Accepted Answer

It moves forward until reaching the critical angle of attack

Answer

It moves backward until reaching the critical angle of attack

Answer

It moves forward first, then backward

Answer

It moves to the wing tips

Question 42

At unchanged airspeed, what generally happens as angle of attack passes beyond the critical angle into a stall?

Accepted Answer

Lift decreases and drag increases

Answer

Lift and drag decrease

Answer

Lift and drag increase

Answer

Lift increases and drag decreases

Question 43

What is the function of the horizontal tail (among other things)?

Accepted Answer

To stabilise the aeroplane around the lateral axis

Answer

To initiate a curve around the vertical axis

Answer

To stabilise the aeroplane around the longitudinal axis

Answer

To stabilise the aeroplane around the vertical axis

Question 44

When briefing a VFR flight, 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 45

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

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 46

Which statement is correct for centre of gravity and stability?

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 47

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 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 48

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 49

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 gives minimum sink rate in every aircraft

Answer

It always equals manoeuvring speed

Answer

It is independent of aircraft mass and configuration

Question 50

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 51

During cross-country planning, which statement is correct for ground effect?

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 52

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 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 53

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 54

What is the correct operational meaning of 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 55

During VFR flight planning, how should coordinated flight be understood by a private pilot?

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 56

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 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

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 59

Which statement about best angle and best rate climb is correct for a PPL(A) pilot?

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 60

In normal private flying, which statement about stall speed in a turn is correct?

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 61

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 62

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 63

For a VFR private pilot, what should be remembered about 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 64

At the same rotation speed, mass and configuration in a conventional aeroplane, required elevator deflection generally...

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.

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

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