POF - Lift

POF - Lift

University

24 Qs

quiz-placeholder

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POF - Lift

POF - Lift

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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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

Media Image

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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