PPL Aeronautical Knowledge 2

Question 1

What does the term 'angle of attack' refer to?

Accepted Answer

The angle between the chord line and the relative wind

Answer

Angle of attack is the angle between the wing's chord line and the relative wind.

Question 2

An aircraft will always stall at the same:

Accepted Answer

Angle of attack

Answer

A wing always stalls at the same critical angle of attack, though the corresponding airspeed varies.

Question 3

What is the primary purpose of wing flaps?

Accepted Answer

To increase lift and drag for slower approach speeds

Answer

Flaps increase both lift and drag, allowing steeper, slower approaches.

Question 4

Load factor is defined as the ratio of:

Accepted Answer

Load supported by the wings to the actual weight of the aircraft

Answer

Load factor is the ratio of the load the wings support to the aircraft's actual weight.

Question 5

During a coordinated level turn, stall speed:

Accepted Answer

Increases

Answer

Load factor increases in a turn, which raises the stall speed.

(PPL) Private Pilot Licence Practice Test