Aircraft Control System Design Quiz
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Questions and Answers

What factor of safety must the support structure have for the control surface maximum moment load?

  • 1.75
  • 1.50
  • 1.25 (correct)
  • 1.10
  • What should the control system be designed to prevent?

  • Incorrect assembly
  • Excessive deflection
  • Excessive friction
  • Jamming by foreign objects (correct)
  • Under what conditions must the system be capable of continued operation?

  • A jam occurs in the system (correct)
  • No failure of any element occurs
  • Triple electrical or hydraulic systems fail
  • System operates beyond 80% specific limit load
  • What is the minimum diameter for cables used on aileron, elevator, and rudder control systems?

    <p>0.125” (3.17mm)</p> Signup and view all the answers

    What is the maximum allowable change in direction for a cable after passing through a fairlead?

    <p>3°</p> Signup and view all the answers

    What must pulleys be fitted with to prevent cable displacement or fouling?

    <p>Guards</p> Signup and view all the answers

    What must be provided to prevent inadvertent flight-deck operation of lift and drag devices on the ground?

    <p>A means for preventing inadvertent operation</p> Signup and view all the answers

    What type of system must wing flaps have to prevent asymmetric operation?

    <p>A synchronising system strong enough to prevent asymmetric operation</p> Signup and view all the answers

    When must flight-deck indication be provided with warnings of asymmetrical operation?

    <p>When lift and drag devices are designed for ground use</p> Signup and view all the answers

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