1. What is a cambered airfoil?
(A) An airfoil with equal curvature on both sides
(B) A symmetrical airfoil
(C) An airfoil with curvature more on one side than the other
(D) An airfoil with no curvature
2. What is the primary aerodynamic benefit of a cambered airfoil at zero angle of attack?
(A) It reduces drag completely
(B) It generates no lift
(C) It produces lift
(D) It increases weight
3. Compared to a symmetrical airfoil, a cambered airfoil at the same angle of attack:
(A) Generates less lift
(B) Generates more lift
(C) Has no effect
(D) Reduces wing area
4. The camber of an airfoil affects which of the following the most?
(A) Thrust
(B) Weight
(C) Lift
(D) Altitude
5. In a positively cambered airfoil, the mean camber line lies:
(A) Below the chord line
(B) Above the chord line
(C) On the chord line
(D) At the leading edge only
6. What happens to the center of pressure on a cambered airfoil as the angle of attack increases?
(A) Moves forward
(B) Moves backward
(C) Remains fixed
(D) Moves to the wingtip
7. Why are cambered airfoils preferred in subsonic aircraft?
(A) They are cheaper to manufacture
(B) They reduce fuel consumption by increasing drag
(C) They provide higher lift at lower angles of attack
(D) They increase the aircraft weight