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

Question 1

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 2

Which statement gives the best operational interpretation of parasite drag?

Accepted Answer

It generally increases as airspeed increases

Answer

It always improves stability

Answer

It is measured in litres

Answer

It prevents every stall

Question 3

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

Accepted Answer

It increases as load factor increases

Answer

It always improves stability

Answer

It prevents every stall

Answer

It is determined only by QNH

Question 4

What is the principle of a Fowler flap?

Accepted Answer

A profile-like flap is extended from the trailing edge of the wing

Answer

A flap from the rear bottom side of the wing is folded down

Answer

At high angles of attack a part of the leading edge lifts

Answer

A flap on the upper surface of the wing is folded up

Question 5

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 6

Compared to trailing edge flaps, leading edge devices like Slots...

Accepted Answer

Produce less drag while allowing a higher angle of attack.

Answer

Reduce the critical angle of attack at a given speed.

Answer

Allow higher speeds at take-off and landing.

Answer

Increase the camber and allow a lower angle of attack.

Question 7

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 8

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 9

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 10

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

Accepted Answer

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

Answer

It occurs only in turbine aircraft

Answer

It is used only after landing

Answer

It is a radio navigation effect

Question 11

Ailerons control...

Accepted Answer

roll

Answer

yaw

Answer

pitch

Answer

altitude directly

Question 12

Which principle of flight statement is correct? Flaps normally...

Accepted Answer

increase lift and drag

Answer

It occurs only in turbine aircraft

Answer

remove the stall

Answer

It always improves stability

Question 13

A forward centre of gravity generally...

Accepted Answer

increases longitudinal stability but may require more elevator authority

Answer

reduces stability in all cases

Answer

has no control effect

Answer

reduces take-off distance always

Question 14

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 15

Which kinds of drag contribute to total drag?

Accepted Answer

Induced drag and parasite drag

Answer

Form drag, skin-friction drag, interference drag

Answer

Interference drag and parasite drag

Answer

Induced drag, form drag, skin-friction drag

Question 16

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 17

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 18

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 19

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 20

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 increases induced drag greatly

Answer

It is a navigation radio error

Answer

It occurs only above cloud

Question 21

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 22

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 23

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 24

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 25

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 26

If surrounded by airflow (v > 0), any arbitrarily shaped body produces...

Accepted Answer

Drag.

Answer

Lift without drag.

Answer

Drag and lift.

Answer

Constant drag at any speed.

Question 27

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 28

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 29

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 30

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 affects only passengers

Answer

It is caused only by radio antennas

Answer

It removes the need for aircraft control

Question 31

In which mentioned situation is the total drag at its minimum?

Accepted Answer

Parasite drag is equal to induced drag

Answer

Induced drag is twice as much as parasite drag

Answer

Parasite drag is twice as much as induced drag

Answer

Induced drag is smaller than parasite drag

Question 32

During a stall, the lift...

Accepted Answer

Decreases and drag increases.

Answer

Increases and drag decreases.

Answer

Increases and drag increases.

Answer

Decreases and drag decreases.

Question 33

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 34

What effects typically result from propeller icing?

Accepted Answer

Reduced power output, decreasing RPM.

Answer

Increased power output, decreasing RPM.

Answer

Increased power output, increasing RPM.

Answer

Reduced power output, increasing RPM.

Question 35

What should a private pilot remember about stall speed in a turn?

Accepted Answer

It increases as load factor increases

Answer

It is a radio navigation effect

Answer

It is unrelated to angle of attack

Answer

It occurs only in turbine aircraft

Question 36

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 37

After an engine failure, the windmilling propeller...

Accepted Answer

Generates drag rather than thrust.

Answer

Generates neither thrust nor drag.

Answer

Has a greater pitch in feathered position.

Answer

Improves the properties of the glide.

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

During VFR flight planning, 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 replaces trim

Answer

It affects only passengers

Answer

It removes the need for aircraft control

Question 40

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 41

The elevator moves an aeroplane around the...

Accepted Answer

Lateral axis.

Answer

Elevator axis.

Answer

Longitudinal axis.

Answer

Vertical axis.

Question 42

Directional stability is stability around the...

Accepted Answer

vertical axis

Answer

lateral axis

Answer

longitudinal axis

Answer

wing chord

Question 43

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 44

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

Accepted Answer

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

Answer

It is determined only by QNH

Answer

It is always a stall

Answer

It is a radio navigation effect

Question 45

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

It is always a stall

Answer

Airspeed remains constant

Answer

It is recovered by holding back pressure only

Question 46

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

Accepted Answer

Camber line

Answer

Chord

Answer

Thickness

Answer

Chord line

Question 47

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 48

The elevator controls...

Accepted Answer

pitch

Answer

yaw

Answer

roll

Answer

mixture

Question 49

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 50

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 51

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 52

Which constructive feature has the purpose to reduce steering forces?

Accepted Answer

Aerodynamic rudder balance

Answer

T-tail

Answer

Vortex generators

Answer

Differential aileron deflection

Question 53

How do lift and drag change when setting flaps to a lower position?

Accepted Answer

Lift increases, drag increases

Answer

Lift increases, drag decreases

Answer

Lift decreases, drag decreases

Answer

Lift decreases, drag increases

Question 54

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

Accepted Answer

2

Answer

1.00

Answer

3.80

Answer

0.50

Question 55

The change in pitch at a propeller blade from the root to the tip ensures...

Accepted Answer

A nearly constant load by a constant effective angle of attack over the entire length of the blade

Answer

That the most thrust is produced at the blade tip

Answer

That the most thrust is produced at the blade root

Answer

The largest possible angle of attack at the blade tip

Question 56

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 57

In normal private flying, which statement about ground effect is correct?

Accepted Answer

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

Answer

It is a radio navigation effect

Answer

It is measured in litres

Answer

It is determined only by QNH

Question 58

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 59

Which practical rule applies to parasite drag?

Accepted Answer

It generally increases as airspeed increases

Answer

It removes the need for aircraft control

Answer

It is unrelated to angle of attack

Answer

It is a runway lighting signal

Question 60

Longitudinal stability is stability around the...

Accepted Answer

lateral axis

Answer

vertical axis

Answer

longitudinal axis

Answer

static port

Question 61

The right aileron deflects upwards, the left downwards. How does the aircraft react?

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 62

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 63

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 64

A balanced turn requires...

Accepted Answer

coordinated use of aileron and rudder

Answer

rudder only

Answer

elevator only

Answer

no control input

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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