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Avionics Practice Test: Fly by Wire Flight Control
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Fly by Wire Flight Control topics include: Fly by wire technology, fbw control laws, fbw redundancy and dailure survival, digital implementation and fly by light flight control.   Fly-by-wire (FBW) flight control systems are semi-automatic flight control systems that use computers to process flight control inputs from the pilot or autopilot. FBW systems replace mechanical flight controls with an electronic interface.  In FBW systems, computers send electrical signals to the flight control surface actuators, replacing the heavy pushrods, cables, and pulleys that previously move control... Show more
Avionics Practice Test: Fly by Wire Flight Control
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25 Questions

1. What does FBW use to scale the control surface deflection according to the aircraft’s airspeed and height?
2. How does the digital implementation in the FBW system reduce weight?
3. Why is FBW essential in stealth aircraft?
4. Which of the following is true with respect to the passive optical sensor?
5. A FBW control stick is referred as _______
6. What is MTBF?
7. What are the shortcomings of using an angle of incidence indicator for feedback sensor?
8. What are control laws?
9. Which of the following is not a result of digital implementation?
10. What happens to the phase lag in an actuator as the frequency is increased?
11. Why are actuators used in FBW systems?
12. Which of the following uses a monitoring system to check the function of channels?
13. The reason for using quadruplex actuation system is _______
14. What is the incidence angle in the yaw plane called?
15. What is it called when the sampled signal is of lower frequency than the original signal?
16. Phase advance control is also known as __________
17. In a typical quadruplex actuator system, how is the failure of an actuator identified?
18. Which of the following is not an advantage of using a digital data bus?
19. Which one of the following is false with respect to fiber optic cables?
20. How are FBW signals transmitted?
21. What happens when the output of one channel is delayed by one iteration period before comparing with other channels in a quadruplex system?
22. Which one of the following is a military standard data bus?
23. What is the failure probability figure of a commercial aircraft?
24. What can occur when the control valve travel limits are reached under conditions of large amplitude demands?
25. FBW system requires an air data system for control and stability.