A&P - Airframe Oral Exam (Jeppesen) questions with correct answers

What is the function of a vortex generator? Answer It is designed to delay of prevent separation of the boundary layer. What are the three axes of an airplane? Answer Longitudinal, lateral, and vertical. What are the three primary flight controls of an aircraft? Answer The ailerons, elevators, and rudder. Name several secondary flight controls and describe their general purpose? Answer Secondary flight controls consist of various types of trim tabs such as balance tabs, anti-servo and servo tabs, and spring tabs. Their function is to assist the pilot in moving the controls and to trim the aircraft to fly hands-off. Name several types of auxiliary flight controls and describe their general purpose? Answer The auxiliary flight controls consist of the various high-lift devices used during low-speed flight such as leading and trailing edge flaps, slats, slots, speed brakes, etc. What is a servo trim tab? Answer It is an auxiliary control, positioned by the movement of a primary control and designed to create aerodynamic forces to assist in moving a control surface. What is a spring tab? Answer It is an auxiliary control designed to aid the movement of a primary control at high speeds when control forces become too high.