19. Aerodynamics Flashcards

1
Q

What is induced drag?

A

The rearward retarding force caused by the wings creating lift.

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2
Q

What is parasite drag?

A

The drag caused by the fuselage and other protrusions disrupting the flow of air.

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3
Q

What is meant by angle of attack?

A

The angle between the chord line and the relative wind.

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4
Q

What is the critical angle of attack?

A

The point at which the wing will stall.

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5
Q

Wingtip vortices are the result of:

A

Lift.

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6
Q

As the airplane slows down in flight, the angle of attack must be:

A

Increased to maintain altitude.

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7
Q

How does an airplane’s wing design prevent a completely stalled condition?

A

The wing is twisted from root to tip allowing the tip to have a lower angle of attack.

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8
Q

What factors cause the airplane to turn to the left in a nose high attitude?

A

Engine torque and spiraling slipstream and Gyroscopic precession and asymmetrical propeller loading.

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