Principle of Flight - PPL(A) - Private Pilot License

Question 1

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 2

The elevator moves an aeroplane around the...

Accepted Answer

Lateral axis.

Answer

Elevator axis.

Answer

Longitudinal axis

Answer

Vertical axis.

Question 3

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 4

Number 3 in the drawing corresponds to the... See figure (PFA-010) (1,00 P.) Siehe Anlage 1

Accepted Answer

Camber line

Answer

Chord

Answer

Thickness

Answer

Chord line.

Question 5

Provided that no other procedure is described in the Aircraft Operating Handbook, after increasing the engine power in a go-around, the flaps may...

Accepted Answer

Be retracted to a middle position

Answer

Not be operated up to the minimum safe altitude

Answer

Be fully retracted without any delay.

Answer

Remain fully extended until reaching the traffic pattern

Question 6

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 7

What is the advantage of differential aileron movement?

Accepted Answer

The drag of the downwards deflected aileron is lowered and the adverse yaw is smaller

Answer

The ratio of the drag coefficient to lift coefficient is increased

Answer

The adverse yaw is highe

Answer

The total lift remains constant during aileron deflection

Question 8

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

Accepted Answer

TAS

Answer

Weight

Answer

Wind

Answer

Load factor.

Question 9

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 10

Which statement about the airflow around an aerofoil is correct if the angle of attack decreases?

Accepted Answer

The center of pressure moves aft

Answer

The stagnation point remains constant

Answer

The stagnation point moves down

Answer

The center of pressure moves forward

Quiz Principle of Flight - PPL(A) - Private Pilot License

Test 10 Questions PPL(A) - Private Pilot License - Principle of Flight, no time limit