Exam Questions and CORRECT Answers
Air Foil - CORRECT ANSWER - Cross sectional shape of a wing
Chord Line - CORRECT ANSWER - Line from leading edge to trailing edge an airfoil
(the wing).
Relative Wind - CORRECT ANSWER - The direction of movement of atmosphere
relative to an aircraft/airfoil. Opposes the direction an aircraft is moving.
Leading edge - CORRECT ANSWER - Tip of the wing (or airfoil)
Trailing edge - CORRECT ANSWER - End of the wing (or airfoil)
Angle of attack - CORRECT ANSWER - Angle between airfoil chord line and relative
wind. changes with attitude and direction of flight
Angle of incidence - CORRECT ANSWER - Angle at which the wing is attached to the
aircraft fuselage.
lateral axis - CORRECT ANSWER - line from wingtip to wingtip
-pitch
pitch - CORRECT ANSWER - rotation about the lateral axis
-wings pitch up
-controlled by elevator
longitudinal control/stability - CORRECT ANSWER - pitching
, longitudinal axis - CORRECT ANSWER - line from nose to tail
-roll
roll - CORRECT ANSWER - rotation about the longitudinal axis
-controlled by ailerons
lateral control/stability - CORRECT ANSWER - rolling
vertical axis - CORRECT ANSWER - line extending vertically through center of plane
-yaw
yaw - CORRECT ANSWER - rotation about the vertical axis
-controlled by rudder
Directional control - CORRECT ANSWER - yawing
center of gravity - CORRECT ANSWER - imaginary point where all the weight is
concentrated
drag - CORRECT ANSWER - rearward acting force which resists the forward movement
of an airplane
thrust - CORRECT ANSWER - forward force produced by the propeller
lift - CORRECT ANSWER - the force opposing weight
weight - CORRECT ANSWER - the downward force opposing lift