Nose Wheel Steering and Directional Control Quiz
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Questions and Answers

Which position must the speed brake switch be moved to in order to retract the speed brake?

  • Forward (correct)
  • Rearward
  • Center
  • MAX

    • What is the purpose of the internal hydraulic uplock in the actuator?

  • To retract the speed brake when the flaps are extended
  • To automatically input pitch trim as the speed brake is operated
  • To keep the speed brake extended when the engine is off
  • To keep the speed brake retracted when the engine is off (correct)

    • What action will cause the speed brake to automatically retract?

  • Moving the FLAPS selector out of the UP position (correct)
  • Moving the speed brake switch to the center position
  • Extending the flaps
  • Moving the PCL to the maximum power position

    • During taxi, directional control can be achieved by using which of the following?

    <p>Rudder and differential braking</p> Signup and view all the answers

    What should be done prior to executing sharp turns with differential braking?

    <p>Disengage nose wheel steering</p> Signup and view all the answers

    What is the purpose of the nose wheel steering actuator assembly?

    <p>To center the nose wheel when the aircraft is in the air</p> Signup and view all the answers

    Which bus circuit breaker provides power for the nose wheel steering system?

    <p>Generator bus circuit breaker</p> Signup and view all the answers

    At what speeds should the nose wheel steering (NWS) be used?

    <p>Ramp speeds only</p> Signup and view all the answers

    What should be done if the nose wheel steering system fails to respond to pilot input?

    <p>Disengage nose wheel steering and use differential braking</p> Signup and view all the answers

    When is the emergency flap extension enabled?

    <p>After the emergency landing gear extension handle is operated</p> Signup and view all the answers

    What is the purpose of nose wheel steering (NWS)?

    <p>To assist with taxiing the aircraft on the ground</p> Signup and view all the answers

    How are minimum radius turns achieved when using nose wheel steering?

    <p>By disengaging nose wheel steering and applying full rudder</p> Signup and view all the answers

    What is the purpose of disengaging nose wheel steering prior to executing sharp turns with differential braking?

    <p>To prevent unnecessary wear to the nose wheel steering and tire</p> Signup and view all the answers

    How many degrees of castor does the nose wheel have?

    <p>160° of castor</p> Signup and view all the answers

    What is the purpose of the nose wheel steering actuator assembly?

    <p>To supply hydraulic pressure to the nose wheel steering</p> Signup and view all the answers

    What controls the left or right steering of the nose wheel?

    <p>The rudder pedals</p> Signup and view all the answers

    What is the purpose of the friction collar on the nose landing gear strut cylinder?

    <p>To apply consistent force for nose wheel shimmy damping</p> Signup and view all the answers

    How is the nose wheel steering switch actuated?

    <p>By using the control stick grip switch</p> Signup and view all the answers

    When is the nose wheel automatically centered by the nose wheel steering actuator?

    <p>When the aircraft is in the air and the nose gear is not up and locked</p> Signup and view all the answers

    What is the purpose of the solenoid in the selector valve?

    <p>To turn on nose wheel steering</p> Signup and view all the answers

    Which position must the speed brake switch be moved to in order to retract the speed brake?

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

    What happens if the flaps are extended while the speed brake is extended?

    <p>The speed brake will automatically retract</p> Signup and view all the answers

    What inputs pitch trim as the speed brake is operated?

    <p>Cables, pulleys, and push-pull flexible cables</p> Signup and view all the answers

    What is the maximum deflection of the speed brake from the stowed position?

    <p>70°</p> Signup and view all the answers

    What is the purpose of the EICAS advisory SPDBRK OUT?

    <p>To indicate that the speed brake is extended</p> Signup and view all the answers

    What keeps the speed brake retracted when the engine is off?

    <p>The internal hydraulic uplock in the actuator</p> Signup and view all the answers

    What happens to the speed brake once it is extended?

    <p>It remains extended until the PCL is moved to MAX</p> Signup and view all the answers

    What happens when the FLAPS selector is moved out of the UP position?

    <p>The speed brake will retract</p> Signup and view all the answers

    Where is the speed brake control circuit breaker located?

    <p>On the generator bus circuit breaker panel</p> Signup and view all the answers

    What caution should be exercised when operating the speed brake?

    <p>To prevent injury to ground crew</p> Signup and view all the answers

    Which circuit breaker provides power for the nose wheel steering system?

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

    What can happen if the nose wheel steering (NWS) is engaged at high taxi speeds?

    <p>The aircraft will lose directional control</p> Signup and view all the answers

    What should the pilot do if the nose wheel steering system fails to respond to pilot input?

    <p>Disengage nose wheel steering and use differential braking</p> Signup and view all the answers

    What should the pilot do if there is a known directional control problem during taxi?

    <p>Disengage the nose wheel steering system</p> Signup and view all the answers

    What can happen if the nose wheel steering system fails during takeoff?

    <p>The nose wheel will not be centered upon retraction</p> Signup and view all the answers

    What is the purpose of the flap control system?

    <p>To extend and retract the flaps</p> Signup and view all the answers

    Where is the flap control circuit breaker located?

    <p>Battery bus circuit breaker panel</p> Signup and view all the answers

    What happens if power to the flap control circuit is lost?

    <p>The flaps will retract to the UP position</p> Signup and view all the answers

    When is emergency flap extension enabled?

    <p>After the emergency landing gear extension handle is operated</p> Signup and view all the answers

    Where is the flap position indicated in the cockpit?

    <p>Above the landing gear control handle</p> Signup and view all the answers

    During taxi, what are the methods of achieving directional control?

    <p>Rudder and/or differential braking</p> Signup and view all the answers

    What should be done prior to executing sharp turns with differential braking?

    <p>Disengage nose wheel steering</p> Signup and view all the answers

    How many degrees of castor does the nose wheel have?

    <p>160°</p> Signup and view all the answers

    What is the purpose of the nose wheel steering actuator assembly?

    <p>Provide shimmy damping</p> Signup and view all the answers

    What controls the left or right steering of the nose wheel?

    <p>Servo valve</p> Signup and view all the answers

    When is the nose wheel automatically centered by the actuator assembly?

    <p>When the nose gear is up and locked</p> Signup and view all the answers

    What provides additional shimmy damping for the nose landing gear?

    <p>Friction collar</p> Signup and view all the answers

    What is the purpose of disengaging nose wheel steering prior to executing sharp turns with differential braking?

    <p>To prevent nose wheel shimmy</p> Signup and view all the answers

    What happens if the nose wheel steering system fails to respond to pilot input?

    <p>The aircraft will veer to one side during taxi</p> Signup and view all the answers

    What is the purpose of the selector valve in the nose wheel steering actuator assembly?

    <p>To control the servo valve</p> Signup and view all the answers

    Which system provides power for the nose wheel steering system?

    <p>The generator bus circuit breaker panel</p> Signup and view all the answers

    What can happen if nose wheel steering (NWS) is engaged at high taxi speeds?

    <p>Increased sensitivity</p> Signup and view all the answers

    What should the pilot do if the nose wheel steering system fails to respond to pilot input?

    <p>Disengage nose wheel steering and use differential braking</p> Signup and view all the answers

    What can happen if the nose wheel steering system fails during takeoff?

    <p>The nose wheel may not be centered upon retraction</p> Signup and view all the answers

    What is the purpose of the flap control system?

    <p>To operate the flaps</p> Signup and view all the answers

    Where is the flap control circuit breaker located?

    <p>On the battery bus circuit breaker panel in the front cockpit</p> Signup and view all the answers

    When is emergency flap extension enabled?

    <p>After the emergency landing gear extension handle is operated</p> Signup and view all the answers

    What happens if power to the flap control circuit is lost?

    <p>The flaps will retract to the UP position</p> Signup and view all the answers

    What is the purpose of the speed brake control system?

    <p>To operate the ventral plate</p> Signup and view all the answers

    What happens when the speed brake switch is moved to the retracted position?

    <p>The speed brake automatically retracts</p> Signup and view all the answers

    Which position must the speed brake switch be moved to in order to retract the speed brake?

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

    What happens if the flaps are extended while the speed brake is extended?

    <p>The speed brake will automatically retract</p> Signup and view all the answers

    What is the purpose of the friction collar on the nose landing gear strut cylinder?

    <p>To prevent excessive nose wheel deflection</p> Signup and view all the answers

    What is the maximum deflection of the speed brake from the stowed position?

    <p>70°</p> Signup and view all the answers

    What happens to the speed brake once it is extended?

    <p>It remains extended until either switch is moved forward to retract</p> Signup and view all the answers

    What caution should be exercised when operating the speed brake?

    <p>To prevent injury to ground crew</p> Signup and view all the answers

    What is the purpose of the EICAS advisory SPDBRK OUT?

    <p>To indicate that the speed brake is extended</p> Signup and view all the answers

    What inputs pitch trim as the speed brake is operated?

    <p>A system of cables, pulleys, and push-pull flexible cables connected from the speed brake to the elevator trim tab actuator</p> Signup and view all the answers

    Where is the flap control circuit breaker located?

    <p>On the generator bus circuit breaker panel in the front cockpit</p> Signup and view all the answers

    What is the purpose of the nose wheel steering actuator assembly?

    <p>To provide hydraulic pressure for nose wheel steering</p> Signup and view all the answers

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