ASTB-E Domain 6: Performance-Based Measures (PBM) Welcome to your ASTB-E Domain 6: Performance-Based Measures (PBM) 1. ASTB-E: Performance-Based Measures (PBM) During a high-speed descent, a pilot notices an increase in indicated airspeed. What is the primary factor contributing to this increase? A. Increase in altitude B. Decrease in altitude C. Increase in engine power D. Decrease in engine power None 2. ASTB-E: Performance-Based Measures (PBM) Which instrument would a pilot primarily use to determine the aircraft's rate of climb or descent? A. Altimeter B. Vertical Speed Indicator (VSI) C. Airspeed Indicator D. Attitude Indicator None 3. ASTB-E: Performance-Based Measures (PBM) What flight control surface is primarily used to control yaw motion in an aircraft? A. Ailerons B. Elevators C. Rudder D. Flaps None 4. ASTB-E: Performance-Based Measures (PBM) In a jet engine, what is the primary purpose of the compressor? A. To produce thrust B. To increase air temperature C. To increase air pressure D. To ignite the fuel None 5. ASTB-E: Performance-Based Measures (PBM) When an aircraft is in a steady climb, what effect does this have on the angle of attack? A. It increases B. It decreases C. It remains constant D. It becomes negative None 6. ASTB-E: Performance-Based Measures (PBM) What causes an aircraft to roll? A. Movement of the rudder B. Movement of the elevators C. Movement of the ailerons D. Movement of the flaps None 7. ASTB-E: Performance-Based Measures (PBM) In a turboprop engine, what component converts the engine's power into thrust? A. Compressor B. Turbine C. Propeller D. Exhaust nozzle None 8. ASTB-E: Performance-Based Measures (PBM) What flight instrument indicates the aircraft's attitude relative to the horizon? A. Altimeter B. Turn Coordinator C. Attitude Indicator D. Heading Indicator None 9. ASTB-E: Performance-Based Measures (PBM) In straight-and-level flight, which force is balanced by thrust? A. Lift B. Weight C. Drag D. Gravity None 10. ASTB-E: Performance-Based Measures (PBM) What causes a jet engine to produce thrust? A. Fuel combustion producing heat B. High-pressure air exiting the engine C. The rotation of the compressor D. The intake of air at the front of the engine None 11. ASTB-E: Performance-Based Measures (PBM) During a standard flight, what instrument indicates the aircraft's rate of climb or descent? A. Altimeter B. Attitude Indicator C. Vertical Speed Indicator (VSI) D. Airspeed Indicator None 12. ASTB-E: Performance-Based Measures (PBM) What is the primary purpose of flaps on an aircraft's wing? A. To increase lift during takeoff and landing B. To reduce the speed of the aircraft C. To control the roll of the aircraft D. To adjust the aircraft's altitude None 13. ASTB-E: Performance-Based Measures (PBM) In the context of aircraft navigation, what does VOR stand for? A. Variable Omni-Range B. Very High Frequency Omnidirectional Range C. Visual Omni-Range D. Vertical Orientation Range None 14. ASTB-E: Performance-Based Measures (PBM) What effect does an increase in altitude have on true airspeed, assuming constant indicated airspeed? A. True airspeed decreases B. True airspeed increases C. True airspeed remains unchanged D. True airspeed fluctuates unpredictably None 15. ASTB-E: Performance-Based Measures (PBM) What is the primary function of ailerons on an aircraft? A. To control pitch B. To control yaw C. To control roll D. To control speed None 16. ASTB-E: Performance-Based Measures (PBM) In aviation, what does the acronym ILS stand for? A. Internal Landing System B. Instrument Landing System C. Integrated Logistics Support D. Inertial Lateral Sensor None 17. ASTB-E: Performance-Based Measures (PBM) What is the primary purpose of a rudder on an aircraft? A. To control the roll B. To control the pitch C. To control the yaw D. To control the speed None 18. ASTB-E: Performance-Based Measures (PBM) What is the purpose of a pitot tube in aviation? A. To measure air pressure for determining altitude B. To measure the aircraft's vertical speed C. To measure the aircraft's airspeed D. To measure outside temperature None 19. ASTB-E: Performance-Based Measures (PBM) Which instrument shows the aircraft's orientation relative to the Earth's horizon? A. Altimeter B. Attitude Indicator C. Turn Coordinator D. Vertical Speed Indicator None 20. ASTB-E: Performance-Based Measures (PBM) What is the purpose of the aircraft's stall warning system? A. To alert when the aircraft exceeds maximum speed B. To indicate low fuel levels C. To alert when the aircraft is in an excessively high bank angle D. To warn of an approaching aerodynamic stall None 1 out of 20 Time is Up! Time's up
