Aerodynamics Quiz from page 101 to 203

What type of drag results from surface roughness?

• Induced drag

• Skin friction drag

• Wave drag

What is the main function of a slot in a wing?

• Increase weight

• Guide airflow and delay separation

• Control pitch

What is the boundary layer?

• Thick layer behind the aircraft

• Layer of air that sticks to the surface

• Shockwave layer

Which flow type has more energy near the surface?

• Laminar flow

• Turbulent flow

• Supersonic flow

Which device delays flow separation at high angles of attack?

• Winglet

• Slot

• Rudder

What type of flap provides the highest increase in lift?

• Plain flap

• Split flap

• Fowler flap

Slats are located at:

• Trailing edge

• Wing tips

• Leading edge

What does the flight envelope represent?

• Fuel range limits

• Safe altitude vs airspeed limits

• Navigation zone

What occurs at the “coffin corner”?

• Lift becomes zero

• High-speed stall and low-speed stall meet

• Aircraft rolls uncontrollably

What is VMO in a flight envelope?

• Minimum operating velocity

• Design maneuvering speed

• Maximum operating speed