ASA Test Prep 2018 Private Pilot Chapter 1: "Basic Aerodynamics" Questions With Correct Answers

the term "angle of attack" is defined as the angle - Answer between the wing chord line and the relative wind the angle between the chord line of an airfoil and the relative wind is known as the angle of - Answer attack angle of attack is defined as the angle between the chord line of an airfoil and the - Answer direction of the relative wind the angle of attack at which an airfoil stalls will - Answer remain the same regardless of gross weight what is the effect of advancing the throttle in flight - Answer airspeed will remain relatively constant but the aircraft will climb what statement relates to Bernoulli's principle? - Answer air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface the four forces acting on an airplane in flight are - Answer lift, weight, thrust, and drag what is the purpose of the rudder on an airplane? - Answer to control yaw what is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight? - Answer lift equals weight and thrust equals drag when are the four forces that act on an airplane in equilibrium? - Answer during unaccelerated flight the best speed to use for a glide is one that will result in the greatest glide distance for a given amount of - Answer altitude climb performance depends on the - Answer reserve power or thrust (refer to figure 72) the horizontal dashed line from point C to point E represents the - Answer positive limit load factor (refer to figure 72) the vertical dashed line from point E to point F is represented on the airspeed indicator by the - Answer upper limit of the yellow arc an airplane said to be inherently stable will - Answer require less effort to control what determines the longitudinal stability of an airplane? - Answer the location of the CG with respect to the center of lift what causes an airplane (except a T-tail) to pitch nosedown when power is reduced and controls are not adjusted? - Answer the downwash on the elevators from the propeller slipstream is reduced and elevator effectiveness is reduced