Basic Aerodynamics Quiz

What are the three terms that appear in any discussion of stability and control?

• Stability, manoeuvrability, controllability

• Lift, drag, thrust

• Pitch, roll, yaw

What is the characteristic of an aircraft that tends to cause it to fly in a straight-and-level flightpath?

• Stability

• Manoeuvrability

• Controllability

What is the inherent quality of an aircraft to correct for conditions that may disturb its equilibrium?

• Stability

• Control

• Performance

What must the forces acting on an aircraft be in order for it to fly straight and steady along any arbitrary flight path?

• Static equilibrium

• Dynamic equilibrium

• Kinetic equilibrium

What are the two types of stability mentioned in the text?

• Static and dynamic

• Active and passive

• Longitudinal and lateral

What are the two types of stability mentioned?

• Static stability

• Dynamic stability

What does static stability refer to in aviation?

• The aircraft’s initial response when disturbed

• The aircraft's ability to maintain altitude

• The aircraft's speed during flight

What are the three subtypes of dynamic stability?

• Positive dynamic stability

• Neutral dynamic stability

• Negative dynamic stability

What factors affect static longitudinal stability?

• Location of the wing with respect to the CG

• Location of the horizontal tail surfaces with respect to the CG

• Area or size of the tail surfaces

What is the period of the phugoid mode?

• 20–60 seconds

• 1–5 seconds

• 10–30 seconds