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 (C)</p> Signup and view all the answers

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

<p>Disengage nose wheel steering (A)</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 (C)</p> Signup and view all the answers

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

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

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

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

When is the emergency flap extension enabled?

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

How many degrees of castor does the nose wheel have?

<p>160° of castor (B)</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 (D)</p> Signup and view all the answers

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

<p>The rudder pedals (B)</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 (D)</p> Signup and view all the answers

How is the nose wheel steering switch actuated?

<p>By using the control stick grip switch (C)</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 (C)</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 (A)</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 (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

<p>70° (A)</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 (D)</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 (A)</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 (B)</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 (C)</p> Signup and view all the answers

Where is the speed brake control circuit breaker located?

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

What caution should be exercised when operating the speed brake?

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

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

<p>NWS (C)</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 (B)</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 (C)</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 (B)</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 (D)</p> Signup and view all the answers

What is the purpose of the flap control system?

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

Where is the flap control circuit breaker located?

<p>Battery bus circuit breaker panel (A)</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 (B)</p> Signup and view all the answers

When is emergency flap extension enabled?

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

Where is the flap position indicated in the cockpit?

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

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

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

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

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

How many degrees of castor does the nose wheel have?

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

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

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

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

<p>Servo valve (A)</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 (B)</p> Signup and view all the answers

What provides additional shimmy damping for the nose landing gear?

<p>Friction collar (D)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

Which system provides power for the nose wheel steering system?

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

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

<p>Increased sensitivity (C)</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 (D)</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 (C)</p> Signup and view all the answers

What is the purpose of the flap control system?

<p>To operate the flaps (A)</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 (D)</p> Signup and view all the answers

When is emergency flap extension enabled?

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

What is the purpose of the speed brake control system?

<p>To operate the ventral plate (B)</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 (C)</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 (C)</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 (C)</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 (C)</p> Signup and view all the answers

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

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

What caution should be exercised when operating the speed brake?

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

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