LG_Brakes

Which hydraulic system powers landing gear extension, retraction and normal nosewheel steering ?
1. System A or the Standby System.
2. System B or the Standby System.
3. System A
4. System B
How is the main landing gear held in the retracted position ?
1. Mechanical uplocks.
2. Hydraulic pressure on the up line.
3. Hydraulic uplocks.
4. An over-center mechanism.
How is main gear wheel rotation stopped during gear retraction ?
1. The brakes automatically stop main gear wheel rotation.
2. A set of snubbers in each wheel well stops main gear wheel rotation.
3. The main gear wheels continue to rotate until they spin down.
How is the nose gear held in the retracted position ?
1. An over-center lock.
2. A mechanical up lock.
3. An hydraulic up lock.
4. Hydraulic pressure on the up line.
How is the nose gear wheel rotation stopped during gear retraction ?
1. The brakes automatically stop nose gear wheel rotation.
2. A set of snubbers in the nose wheel well stops nose gear wheel rotation.
3. The nose gear wheel continues to rotate until it spins down.
A main wheel tire has sustained loose tread damage during take-off. What will occur when the landing gear is retracted ?
1. A fitting in the wheel well opening prevents that gear from retracting and the affected gear free falls back to the extended position.
2. A fitting in the wheel well opening prevents that gear from retracting and both main gears free fall back to the extended position.
3. A fitting in the wheel well opening prevents that gear from retracting and both main gears and nose gear free fall back to the extended position.
4. A fitting in the wheel well opening prevents that gear from retracting and the affected gear is held in a partially retracted position.
What is the function of the Landing Gear Transfer Unit ?
1. Makes System B hydraulic pressure available to raise the landing gear at a normal rate if System A pressure is insufficient.
2. Makes System A hydraulic pressure available to raise the landing gear at a normal rate if System B pressure is insufficient.
3. Allows either hydraulic system to operate the landing gear during a single hydraulic system failure.
4. Makes Standby System hydraulic pressure available to operate the landing gear if System A and System B are lost.
Which of the following set of conditions is required to activate the Landing Gear Transfer Unit ?
1. Airborne
  Number 1 Engine RPM below a limit value.
  Landing gear lever positioned UP.
  Either main gear not up and locked.
2. Airborne
  Number 2 Engine RPM below a limit value.
  Landing gear lever positioned UP.
  Either main gear not up and locked.
3. Airborne
  Loss of both hydraulic systems.
  Landing gear lever positioned UP.
  Either main gear not up and locked.
4. Airborne
  Either engine RPM below a limit value.
  Landing gear lever positioned UP.
  Either main gear not up and locked.
How may nose wheel steering be de-pressurized for aircraft towing without turning off the hydraulic pumps ?
1. A lock out pin can be inserted in the steering depressurization valve in the nose gear well.
2. The nose wheel steering switch on the Left Forward Panel may be positioned to ALT for towing.
3. The nose wheel steering does not need to be de-pressurized for aircraft towing.
When the manual gear extension access door is open, what is disabled ?
1. Landing gear retraction.
2. Landing gear hydraulic extension.
3. The landing gear lever override trigger.
4. The landing gear up locks.
To lower the landing gear with the manual landing gear extension system, the gear lever must be in the DOWN position.
1. False
2. True
Which system can be by-passed when pulling on the landing gear lever override trigger ?
1. The landing gear lever lock solenoid.
2. The main landing gear up locks.
3. The landing gear lever.
What is the maximum speed for landing gear extension ?
1. 270 Knots or .82 Mach
2. 320 Knots or .82. Mach
3. 250 Knots or .76 Mach
4. 300 Knots
What is the maximum speed for landing gear retraction ?
1. 270 Knots or .82 Mach
2. 235 Knots
3. 320 Knots or .82 Mach
4. 250 Knots
What is the maximum speed with the landing gear extended ?
1. 320 Knots or .82 Mach
2. 270 Knots or .82 Mach
3. 290 Knots
4. 300 Knots or .78 Mach
What is indicated by the AUTOBRAKE DISARM light illuminated briefly when positioning the Autobrake switch to RTO ?
1. The Autobrake system is conducting a self test.
2. The Autobrake system has a fault.
3. The Autobrake system has failed to arm.
Which of the following conditions will disarm the Autobrakes during a rejected take-off or during landing ?
1. Speed Brake lever moved to DOWN detent.
  Manual brakes applied.
  Thrust Levers advanced.
  Autobrakes selected OFF.
2. Manual brakes applied.
  Thrust Levers advanced.
  Autobrakes selected OFF.
3. Speed Brake lever moved to DOWN detent.
  Manual brakes applied.
  Thrust Levers advanced.
  Reverse thrust applied.
4. Speed Brake lever moved to DOWN detent.
  Manual brakes applied.
  Wheel speed less than 60 knots.
  Autobrakes selected OFF.
If the thrust levers are advanced immediately after touchdown, will the Autobrakes disarm ?
1. No, if the thrust levers are advanced within 3 seconds after touchdown the Autobrakes remain armed.
2. Yes, the Autobrakes will disarm immediately if the thrust levers are advanced after touchdown.
3. No, if the thrust levers are advanced before wheel speed reaches 90 knots after touchdown, the Autobrakes will remain armed.
4. Yes, the Autobrakes will disarm immediately if the thrust levers are advanced after touchdown and wheel speed is greater than 90 knots.
What is the result if a landing is made with the Autobrake switch in RTO ?
1. The Autobrake system will disarm on touchdown.
2. The Autobrake system will initiate maximum braking.
3. The Autobrake system will initiate braking at setting equivalent to Autobrake level 3.
4. The Autobrake system will initiate braking at setting equivalent to Autobrake level 2.
May the RTO setting be selected while airborne ?
1. No, the RTO setting can only be selected on the ground.
2. Yes, the RTO setting can be selected on the ground or airborne.
May RTO be selected if the main gear wheels are in motion ?
1. Yes, as long as wheel speed is less than 60 knots and thrust levers are in idle.
2. No, the wheels must be stationary in order to select RTO.
3. Yes, however the Autobrakes will not arm and the AUTOBRAKE DISARM light illuminates.
At what minimum wheel speed will RTO initiate during a rejected take-off (RTO) ?
1. 90 knots.
2. 60 Knots.
3. 120 knots.
4. 100 knots.
Does the Autobrake system perform a self-test when armed prior to landing ?
1. No, there is no indication to the crew that the Autobrake system will function on touchdown.
2. Yes, the AUTOBRAKE DISARM light will illuminate briefly during the self-test.
3. Yes, however the AUTOBRAKE DISARM light will not illuminate unless the self-test fails.
4. No, the AUTOBRAKE DISARM light will illuminate if the system has malfunctioned when attempting to arm the system.
The thrust levers must be in idle during touchdown to initiate Autobrakes.
1. True
2. False
May Autobrakes be selected after touchdown ?
1. Yes, prior to decelerating through 60 knots.
2. No, once wheel spinup has occurred, the Autobrakes will not arm.
3. Yes, prior to decelerating through 90 knots.
Autobraking will bring the airplane to a full stop unless terminated manually.
1. True
2. False, the Autobrakes will disarm when wheel speed reaches 60 knots.
Select the correct statement.
1. Normal braking is powered by hydraulic System B.
  Alternate braking is powered by Hydraulic System A.
2. Normal braking is powered by hydraulic System A.
  Alternate braking is powered by Hydraulic System B.
3. Normal braking is powered by hydraulic System B.
  Alternate braking is powered by the Standby System.
4. Normal braking is powered by hydraulic System A.
  Alternate braking is powered by the Standby System.
The Autobrake system is available when the brakes are operating on alternate brakes
1. True
2. False
Anti-skid is available when operating on the alternate brakes.
1. True
2. False
If both the normal brakes and alternate brakes are inoperative, is anti-skid available ?
1. Yes
2. No
What protections are provided by the anti-skid system ?
1. Skid protection.
  Locked wheel protection.
  Touchdown protection.
  Hydroplane protection.
2. Skid protection.
  Locked wheel protection.
  Touchdown protection.
3. Skid protection.
  Locked wheel protection.
  Hydroplane protection.
4. Skid protection.
  Touchdown protection.
  Hydroplane protection.

Landing Gear and Brakes