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Questions and Answers
What determines the magnitude of the lift and drag forces of a wing cross-section?
What determines the magnitude of the lift and drag forces of a wing cross-section?
At what angles of attack are the lift and drag forces of a wing cross-section normal to each other?
At what angles of attack are the lift and drag forces of a wing cross-section normal to each other?
What happens to the pitching moment when trailing-edge flaps are deployed in level flight?
What happens to the pitching moment when trailing-edge flaps are deployed in level flight?
How does the induced drag and wing-tip vortices change with increasing angles of attack?
How does the induced drag and wing-tip vortices change with increasing angles of attack?
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Which factor results in the induced angle of attack?
Which factor results in the induced angle of attack?
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What effect do vortex generators have on wing-tip vortices?
What effect do vortex generators have on wing-tip vortices?
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At a constant IAS and mass in level flight during flap selection, what happens?
At a constant IAS and mass in level flight during flap selection, what happens?
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What causes pitch up at low speed?
What causes pitch up at low speed?
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Regarding the boundary layer, which of the following statements is correct?
Regarding the boundary layer, which of the following statements is correct?
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Which of the following statements is correct?
Which of the following statements is correct?
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The most important advantage of the turbulent boundary layer over the laminar boundary layer is:
The most important advantage of the turbulent boundary layer over the laminar boundary layer is:
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For a positively cambered aerofoil when Cl is zero, what happens to the pitch moment?
For a positively cambered aerofoil when Cl is zero, what happens to the pitch moment?
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What does Winglets improve in an aeroplane's performance?
What does Winglets improve in an aeroplane's performance?
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The direction of spanwise flow is from:
The direction of spanwise flow is from:
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The CP of a positive cambered wing at an increasing angle of attack will:
The CP of a positive cambered wing at an increasing angle of attack will:
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What happens aft of the transition point between laminar and turbulent flow?
What happens aft of the transition point between laminar and turbulent flow?
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