TC PPL Written Exam General Knowledge questions with correct answers
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Course
NU1426
Institution
NU1426
TC PPL Written Exam: General Knowledge questions with correct answers
Lift acts in the direction of low pressure
Left wing; clockwise
Right wing; counterclockwise
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...
TC PPL Written Exam: General Knowledge
questions with correct answers
1). Lift acts in the direction of low pressure
Ans: How does an airplane acheive lift?
2). Left wing; clockwise
right wing; counterclockwise
Ans: Describe the direction of wing tip vortices.
3). 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
Ans: What is parasite drag?
What are the sub components of parasite drag?
4). The parts of the aeroplane that are actively producing lift
Ans: What is induced drag?
5). The drag produced by the down going aileron. it is corrected with frise and differential
ailerons.
Ans: What is Aileron Drag? How is it corrected on some planes?
6). 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
Ans: Explain the boundary layer, and the 3 parts that it turns into.
7). Angle of the wing to the longitudinal axis
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, Ans: What's the angle of incidence?
8). 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.
Ans: Explain wing fences.
9). 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.
Ans: What are slots?
10). 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.
Ans: What are slats?
11). The tendency of an aeroplane to return to original position after being disturbed.
Ans: Explain static stability?
12). Is the overall tendency of an aeroplane to return to original position following a series of
damped out oscillations.
Ans: Explain dynamic stability?
13). Aeroplane will restore to original position.
Ans: Positive stability
14). Aeroplane will neither return nor move further away from original position.
Ans: Neutral stability
15). Aeroplane will move further away from original position.
Ans: Negative stability
Increased lateral stability.
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