The upward movement of air at the LEADING edge is known as:

POF - Lift

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University
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Medium
NZAAL Theory
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total reaction
Upwash
Downwash
Leftwash
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The point at the leading edge where air comes to a complete stop is know as:
The stop point
The stationary point
The stagnation point
The zero speed point
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a general purpose aerofoil the AoA for zero lift is:
4° AoA
0° AoA
-4° AoA
-6° AoA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At the zero lift angle:
Negative lift is produced
A small amount of lift is produced
The aircraft will stall
No net lift is produced
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a general purpose aerofoil what is the critical angle and what happens if it is exceeded
16°, the aircraft will stall
18°, the aircraft will fly backwards
16°, the amount of life will continue to increase
18°, the aircraft will stall
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the these pressure envelopes represents an aerofoil at the critical angle (16°)
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Centre of Pressure:
Is the point where weight acts through
Is the point where upwash acts through
Is the point downwash acts through
Is the point lift acts through
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