Spaatz Practice Test Chapter 4 Questions and Answers Graded A+

Spaatz Practice Test Chapter 4 Questions and Answers Graded A+ What does the term “stall speed” refer to? The minimum speed at which an aircraft can maintain level flight What is the purpose of a wing’s leading edge? To smooth the airflow over the wing and reduce drag What does the control column (yoke) do in an aircraft? It controls the pitch and roll of the aircraft What happens when a jet engine is idling? The engine runs at a low thrust setting for taxiing or standing by What effect does a change in air density have on an aircraft’s performance? Lower air density reduces lift and engine performance 2 What does an aircraft’s trim system control? Fine-tuning the control surfaces to maintain desired flight attitude What does the term "Mach speed" refer to in aviation? The speed of an aircraft relative to the speed of sound What is the primary function of a fuselage on an aircraft? To house passengers, cargo, and provide structural support What is the primary purpose of the engine nacelle? To house the engine and provide aerodynamics What is the role of a plane’s rudder? To control yaw (left and right movement) What does an aircraft’s flaps do during takeoff and landing? Increase lift and drag to assist with slower speeds 3 What happens when an aircraft exceeds its critical angle of attack? The aircraft stalls and loses lift What does the term "altitude" measure in aviation? The height of an aircraft above the Earth's surface What is the main purpose of an aircraft’s pitot tube? To measure the aircraft's airspeed What is aileron deflection used for in flight? To roll the aircraft, controlling lateral stability What forces are balanced in level flight? Lift and weight, thrust and drag What is the purpose of the vertical stabilizer in an aircraft? To prevent unwanted yawing and provide directional stability 4 What is the term for a downward flow of air from a cloud? Downdraft What is the role of the aircraft’s oxygen system?