Aerodynamic (BAM)

Which line is measured from the leading edge to the trailing edge of an airfoil?

• Chord Line

• Camber Line

• Mean Line

What happens to atmospheric pressure as you increase in altitude, such as when climbing a mountain?

• It decreases

• It increases

• It remains the same

The weight of the air pressing down on the Earth's surface is most accurately described as which of the following?

• Atmospheric pressure

• Air density

• Barometric pressure

The initial tendency of an aircraft to return to its original position after a disturbance is known as what?

• Positive dynamic stability

• Positive static stability

• Both Positive Dynamic and Static stability

Induced drag is a direct and unavoidable consequence of which of the following forces?

• Thrust

• Lift

• Weight

Under which phase of flight is induced drag most significant?

• Takeoff and landing

• High-speed cruise

• Supersonic flight

What is the primary aerodynamic feature responsible for creating induced drag?

• Wingtip vortices

• The fuselage shape

• The engine exhaust

Which of the following would most effectively reduce skin friction drag on an aircraft?

• Flat repair on fuselage skin and panel

• Making the airplane nose more pointy

• Increase aircraft speed

The thin layer of fluid that sticks to the surface of an object, causing skin friction, is known as the...?

• Boundary layer

• Shockwave

• Vortex

If an aircraft's Center of Pressure (CP) is located aft (behind) its Center of Gravity (CG), what is the aircraft's natural tendency?

• To pitch nose-down

• To pitch nose-up

• To remain in a neutral