AFOQT Aviation Information Concepts 2 — Questions and Answers
Question 1: What flight control surface is primarily used to control roll about the longitudinal axis?
- Ailerons (Correct answer)
- Elevator
- Rudder
- Flaps
Correct answer: Ailerons
Ailerons on the trailing edges of the wings move opposite to each other to bank the aircraft and control roll.
Question 2: The rudder controls movement of the aircraft about which axis?
- Longitudinal axis
- Lateral axis
- Vertical axis (Correct answer)
- Diagonal axis
Correct answer: Vertical axis
The rudder controls yaw, which is rotation about the vertical axis.
Question 3: Which of the four forces of flight acts opposite to thrust?
- Lift
- Weight
- Drag (Correct answer)
- Gravity
Correct answer: Drag
Drag is the aerodynamic resistance that opposes thrust as the aircraft moves through the air.
Question 4: An aircraft's angle of attack is the angle between the chord line and the:
- Horizon
- Relative wind (Correct answer)
- Longitudinal axis
- Flight path of the tail
Correct answer: Relative wind
Angle of attack is measured between the wing's chord line and the relative wind.
Question 5: What happens to lift when an aircraft exceeds its critical angle of attack?
- Lift increases sharply
- Lift remains constant
- The wing stalls and lift decreases (Correct answer)
- Drag disappears
Correct answer: The wing stalls and lift decreases
Beyond the critical angle of attack, airflow separates from the wing and the wing stalls, causing a loss of lift.
Question 6: On a standard fixed-wing aircraft, the elevator is used to control:
- Roll
- Pitch (Correct answer)
- Yaw
- Throttle
Correct answer: Pitch
The elevator on the horizontal stabilizer controls pitch, moving the nose up or down about the lateral axis.
Question 7: Bernoulli's principle helps explain lift by relating increased airflow speed over the wing to:
- Higher pressure
- Lower pressure (Correct answer)
- Greater weight
- Reduced temperature only
Correct answer: Lower pressure
Faster airflow over the curved upper surface produces lower pressure, contributing to lift.
AFOQT Aviation Information Concepts 2
What flight control surface is primarily used to control roll about the longitudinal axis?