Basic Aerodynamics Quiz

What is the primary purpose of streamlining aircraft surfaces?

• To improve visibility

• To increase weight

• To reduce drag

• To enhance color

Which type of drag is associated with the production of lift?

• Induced drag

• Parasite drag

• Friction drag

• Form drag

What does Bernoulli's principle state about fluid flow?

• Velocity is constant in a fluid

• Pressure decreases as velocity increases

• Pressure increases as velocity increases

• Fluid does not exert pressure

What is the effect of icing on an aircraft's performance?

• Improves maneuverability

• Increases lift

• Decreases drag

• Increases stall speed

What is the angle of incidence?

• The angle between the wing and the fuselage

• The angle of attack at stall

• The angle of the aircraft's tail

• The angle between the wing chord and the airflow

What is the primary function of a wind tunnel?

• To simulate flight conditions

• To measure aircraft weight

• To study aerodynamic profiles

• To test engine performance

What is induced drag a consequence of?

• Lift production

• Pressure differential

• Airflow separation

• Weight distribution

What does the term 'boundary layer' refer to?

• The layer of air below the aircraft

• The layer of air above the aircraft

• The layer of air in contact with the aircraft surface

• The layer of air farthest from the aircraft

Which type of drag is caused by the shape of the aircraft?

• Induced drag

• Form drag

• Skin friction drag

• Interference drag

What is the purpose of winglets on an aircraft?

• To increase weight

• To reduce induced drag

• To improve landing gear

• To enhance aesthetics