Nose Wheel Steering and Directional Control Quiz

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

Forward

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

To keep the speed brake retracted when the engine is off

What action will cause the speed brake to automatically retract?

Moving the FLAPS selector out of the UP position

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

Rudder and differential braking Signup and view all the answers

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

Disengage nose wheel steering Signup and view all the answers

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

To center the nose wheel when the aircraft is in the air Signup and view all the answers

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

Generator bus circuit breaker Signup and view all the answers

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

Ramp speeds only Signup and view all the answers

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

Disengage nose wheel steering and use differential braking Signup and view all the answers

When is the emergency flap extension enabled?

After the emergency landing gear extension handle is operated Signup and view all the answers

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

To assist with taxiing the aircraft on the ground Signup and view all the answers

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

By disengaging nose wheel steering and applying full rudder Signup and view all the answers

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

To prevent unnecessary wear to the nose wheel steering and tire Signup and view all the answers

How many degrees of castor does the nose wheel have?

160° of castor Signup and view all the answers

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

To supply hydraulic pressure to the nose wheel steering Signup and view all the answers

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

The rudder pedals Signup and view all the answers

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

To apply consistent force for nose wheel shimmy damping Signup and view all the answers

How is the nose wheel steering switch actuated?

By using the control stick grip switch Signup and view all the answers

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

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

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

To turn on nose wheel steering Signup and view all the answers

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

Forward Signup and view all the answers

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

The speed brake will automatically retract Signup and view all the answers

What inputs pitch trim as the speed brake is operated?

Cables, pulleys, and push-pull flexible cables Signup and view all the answers

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

70° Signup and view all the answers

What is the purpose of the EICAS advisory SPDBRK OUT?

To indicate that the speed brake is extended Signup and view all the answers

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

The internal hydraulic uplock in the actuator Signup and view all the answers

What happens to the speed brake once it is extended?

It remains extended until the PCL is moved to MAX Signup and view all the answers

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

The speed brake will retract Signup and view all the answers

Where is the speed brake control circuit breaker located?

On the generator bus circuit breaker panel Signup and view all the answers

What caution should be exercised when operating the speed brake?

To prevent injury to ground crew Signup and view all the answers

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

NWS Signup and view all the answers

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

The aircraft will lose directional control Signup and view all the answers

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

Disengage nose wheel steering and use differential braking Signup and view all the answers

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

Disengage the nose wheel steering system Signup and view all the answers

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

The nose wheel will not be centered upon retraction Signup and view all the answers

What is the purpose of the flap control system?

To extend and retract the flaps Signup and view all the answers

Where is the flap control circuit breaker located?

Battery bus circuit breaker panel Signup and view all the answers

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

The flaps will retract to the UP position Signup and view all the answers

When is emergency flap extension enabled?

After the emergency landing gear extension handle is operated Signup and view all the answers

Where is the flap position indicated in the cockpit?

Above the landing gear control handle Signup and view all the answers

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

Rudder and/or differential braking Signup and view all the answers

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

Disengage nose wheel steering Signup and view all the answers

How many degrees of castor does the nose wheel have?

160° Signup and view all the answers

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

Provide shimmy damping Signup and view all the answers

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

Servo valve Signup and view all the answers

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

When the nose gear is up and locked Signup and view all the answers

What provides additional shimmy damping for the nose landing gear?

Friction collar Signup and view all the answers

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

To prevent nose wheel shimmy Signup and view all the answers

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

The aircraft will veer to one side during taxi Signup and view all the answers

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

To control the servo valve Signup and view all the answers

Which system provides power for the nose wheel steering system?

The generator bus circuit breaker panel Signup and view all the answers

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

Increased sensitivity Signup and view all the answers

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

Disengage nose wheel steering and use differential braking Signup and view all the answers

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

The nose wheel may not be centered upon retraction Signup and view all the answers

What is the purpose of the flap control system?

To operate the flaps Signup and view all the answers

Where is the flap control circuit breaker located?

On the battery bus circuit breaker panel in the front cockpit Signup and view all the answers

When is emergency flap extension enabled?

After the emergency landing gear extension handle is operated Signup and view all the answers

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

The flaps will retract to the UP position Signup and view all the answers

What is the purpose of the speed brake control system?

To operate the ventral plate Signup and view all the answers

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

The speed brake automatically retracts Signup and view all the answers

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

Forward Signup and view all the answers

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

The speed brake will automatically retract Signup and view all the answers

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

To prevent excessive nose wheel deflection Signup and view all the answers

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

70° Signup and view all the answers

What happens to the speed brake once it is extended?

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

What caution should be exercised when operating the speed brake?

To prevent injury to ground crew Signup and view all the answers

What is the purpose of the EICAS advisory SPDBRK OUT?

To indicate that the speed brake is extended Signup and view all the answers

What inputs pitch trim as the speed brake is operated?

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

Where is the flap control circuit breaker located?

On the generator bus circuit breaker panel in the front cockpit Signup and view all the answers

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

To provide hydraulic pressure for nose wheel steering Signup and view all the answers

Nose Wheel Steering and Directional Control Quiz

Questions and Answers

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

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

What action will cause the speed brake to automatically retract?

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

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

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

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

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

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

When is the emergency flap extension enabled?

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

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

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

How many degrees of castor does the nose wheel have?

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

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

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

How is the nose wheel steering switch actuated?

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

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

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

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

What inputs pitch trim as the speed brake is operated?

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

What is the purpose of the EICAS advisory SPDBRK OUT?

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

What happens to the speed brake once it is extended?

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

Where is the speed brake control circuit breaker located?

What caution should be exercised when operating the speed brake?

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

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

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

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

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

What is the purpose of the flap control system?

Where is the flap control circuit breaker located?

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

When is emergency flap extension enabled?

Where is the flap position indicated in the cockpit?

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

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

How many degrees of castor does the nose wheel have?

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

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

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

What provides additional shimmy damping for the nose landing gear?

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

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

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

Which system provides power for the nose wheel steering system?

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

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

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

What is the purpose of the flap control system?

Where is the flap control circuit breaker located?

When is emergency flap extension enabled?

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

What is the purpose of the speed brake control system?

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

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

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

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

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

What happens to the speed brake once it is extended?

What caution should be exercised when operating the speed brake?

What is the purpose of the EICAS advisory SPDBRK OUT?

What inputs pitch trim as the speed brake is operated?

Where is the flap control circuit breaker located?

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

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