Landing Gear

Question 1

How many wheel are there?

Answer 1

18

Question 2

What powers the gear?

Answer 2

Hydraulic system 1 - body gear and nose gear retraction/extension, and also provides the power for the steering of these gears. Hydraulic system 4 provides - wing gear retraction/extension.

Question 3

How does the alternate gear extension work?

Answer 3

Allows the gear to fall by gravity and springs pull the down locks in to position

Question 4

What is a yellow X on the gear position indicator?

Answer 4

This indicator is inoperative

Question 5

What powers the 2 brake systems

Answer 5

Normal - Hyd 4
Alternate - Hyd 1 or 2

Question 6

How can the parking bake be released?

Answer 6

When either pilots pushes both brake pedals together

Question 7

Are autbrakes available with alternate braking?

Answer 7

No

Question 8

What is EICAS GEAR TILT caution message?

Answer 8

all main gear trucks are not in the full tilt position

Question 9

T/F: ll Main Gear wheels are equipped with Normal and Alternate Brakes along with Antiskid.

Answer 9

True

Question 10

The Nose Gear Retracts ____________.

Answer 10

Forward

Question 11

The Main Gear include the ________ and _________.

Answer 11

Wing and Body

Question 12

What is the difference between primary and alternate braking antiskid?

Answer 12

Primary is individual wheels
Alternate is pairs of wheels

Question 13

What are all the protections provided by the anti-skid system?

Answer 13

Touchdown, hydroplane, and locked wheel protection.

Question 14

Anti-Skid protection operates for both normal and alternate brake systems, but at a lower capacity in the ________ system.

Answer 14

Alternate

Question 15

Locked wheel protection is provided using __________.

Answer 15

Wheel Speed Comparison

Question 16

The EICAS Advisory message __________ displays if there is a fault in the anti-skid system.

Answer 16

ANTISKID

Question 17

When will the autobrake activate during an aborted takeoff?

Answer 17

Above 85 knots ground speed

Question 18

On landing when will the autobrakes be applied?

Answer 18

• On the ground
• Wheels spin up detected, and
• All thrust levers are closed.

Question 19

How can the autobrakes be disarmed?

Answer 19

• Pedal braking applied
• Any Thrust lever advanced after landing
• Speedbrake lever moved to DOWN detent (after they have deployed on the ground)
• DISARM or OFF position selected
  OR
• autobrake fault
• normal antiskid system fault
• loss of normal brake hydraulic pressure.

Question 20

The Autobrake system depends on the ________ brake system to be functioning.

Answer 20

Normal

Question 21

The ABS selector has one mode for takeoff and ____ for landing.

Answer 21

5

Question 22

The Autobrakes will not activate on a rejected takeoff if the ground speed is below _________.

Answer 22

85 kts

Question 23

The _______ is displayed if the Autobrakes are disarmed or inoperative.

Answer 23

AUTOBRAKES Advisory Message

Question 24

What are the type of brakes?

Answer 24

Disc Carbon Brake

Question 25

What is the flow of the braking system?

Answer 25

The Pedals, metering valves and to the shuttle valves and on to the wheel brakes.

Question 26

What is the amber temperature range for the brakes?

Answer 26

5 or Higher

Question 27

What is the required cooling period for an EICAS BRAKE TEMP message?

Answer 27

70 minutes

Question 28

The Nose Wheels have ___________.

Answer 28

No brakes

Question 29

The Normal Brakes are powered by ___________.

Answer 29

Hydraulic System 4

Question 30

According to the Non-normal procedure, you have extended the landing gear after takeoff due to the display of the BRAKE TEMP message. After _____ minutes and with the BRAKE TEMP message blank, the crew will retract the landing gear normally.

Answer 30

8

Question 31

Normally, the Brake Pedals supply hydraulic pressure to each wheel brake by controlling the _________.

Answer 31

Normal Metering Valve