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TC PPL WRITTEN EXAM: GENERAL KNOWLEDGE
2025| BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
How does an airplane acheive lift? - (answers)Lift acts in the direction of low
pressure
Describe the direction of wing tip vortices. - (answers)Left wing; clockwise
Right wing; counterclockwise
What is parasite drag?
What are the sub components of parasite drag? - (answers)All parts of the
airplane that do not contribute to lift
Sub components:
1) form drag: drag created by the shape of body
2) skin friction: tendency of air flowing over a body to cling to its surface
What is induced drag? - (answers)The parts of the aeroplane that are actively
producing lift
What is Aileron Drag? How is it corrected on some planes? - (answers)The drag
produced by the down going aileron. It is corrected with frise and differential
ailerons.
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Explain the boundary layer, and the 3 parts that it turns into. - (answers)Boundary
layer: thin sheet of air lying over the surface of the wing
1) laminar layer: it's basically the boundary layer
2) transition point: the point of transition between laminar and turbulent
3) turbulent layer: due to friction the laminar layer become turbulent
What's the angle of incidence? - (answers)Angle of the wing to the longitudinal
axis
Explain wing fences. - (answers)Fin-like vertical surfaces attached to the upper
surface of the wing, used to control airflow. They prevent air to travel towards the
tip of the wing during high angles of attack.
What are slots? - (answers)They are passageways built into the wing. At high
angles of attack. The air flows through the slot and over the wing to smooth out
eddies.
What are slats? - (answers)Auxiliary airfoils fitted to leading edge of wing. At high
angles of attack they automatically move out and head of the wing. It helps to
smooth out eddies that are creeping up the wings.
Explain static stability? - (answers)The tendency of an aeroplane to return to
original position after being disturbed.
TC PPL WRITTEN EXAM: GENERAL KNOWLEDGE
2025| BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
How does an airplane acheive lift? - (answers)Lift acts in the direction of low
pressure
Describe the direction of wing tip vortices. - (answers)Left wing; clockwise
Right wing; counterclockwise
What is parasite drag?
What are the sub components of parasite drag? - (answers)All parts of the
airplane that do not contribute to lift
Sub components:
1) form drag: drag created by the shape of body
2) skin friction: tendency of air flowing over a body to cling to its surface
What is induced drag? - (answers)The parts of the aeroplane that are actively
producing lift
What is Aileron Drag? How is it corrected on some planes? - (answers)The drag
produced by the down going aileron. It is corrected with frise and differential
ailerons.
, 2|Page
Explain the boundary layer, and the 3 parts that it turns into. - (answers)Boundary
layer: thin sheet of air lying over the surface of the wing
1) laminar layer: it's basically the boundary layer
2) transition point: the point of transition between laminar and turbulent
3) turbulent layer: due to friction the laminar layer become turbulent
What's the angle of incidence? - (answers)Angle of the wing to the longitudinal
axis
Explain wing fences. - (answers)Fin-like vertical surfaces attached to the upper
surface of the wing, used to control airflow. They prevent air to travel towards the
tip of the wing during high angles of attack.
What are slots? - (answers)They are passageways built into the wing. At high
angles of attack. The air flows through the slot and over the wing to smooth out
eddies.
What are slats? - (answers)Auxiliary airfoils fitted to leading edge of wing. At high
angles of attack they automatically move out and head of the wing. It helps to
smooth out eddies that are creeping up the wings.
Explain static stability? - (answers)The tendency of an aeroplane to return to
original position after being disturbed.
