Landing Gear, Brakes, Nose Wheel Steering

Question 1

How is the main landing gear held in the up and down position?

Answer 1

Mechanical up and down locks

Question 2

How is the nose gear held in the up and down position?

Answer 2

Over center mechanism

Question 3

Do the forward nose gear doors remain open after a normal extension?

Answer 3

Yes

Question 4

How are the nose gear doors actuated?

Answer 4

Mechanically

Question 5

What is the purpose of the brushes on the main wheel wells?

Answer 5

Aerodynamic seal

Question 6

Where do you look to determine the position of the landing gear?

Answer 6

EICAS primary page

Question 7

Which component monitors the position of up locks, down locks, and gear door position and weight on wheels sensors?

Answer 7

PSEU (proximity sensing electronic unit)

Question 8

Which component ensures that the gear handle cannot be moved to the UP position on the ground?

Answer 8

Down-lock solenoid

Question 9

When will the landing gear warning horn sound?

Answer 9

2 minutes after weight-off-wheels, with one or both thrust levers at idle and airspeed 163 KIAS or less, or airspeed is 185 KIAS or less with flaps less than 5º

Question 10

When can the gear horn not be muted?

Answer 10

Both thrust levers at idle and/or flaps greater than 30º

Question 11

Which hydraulic system operates the inboard brakes?

Answer 11

System # 3

Question 12

Which hydraulic system operates the outboard brakes?

Answer 12

System # 2

Question 13

When does the Anti-skid operate?

Answer 13

Wheel spin 35 kts or greater, or weight on wheels plus 5 seconds

Question 14

What is the nose wheel steering degree of travel limits with nose wheel steering ON?

Answer 14

8º either side of center for rudder pedals

80º either side of center for tiller

Question 15

At what speed does anti-skid control stop operating?

Answer 15

Wheel spin 10 kts or less

Question 16

Which Hydraulic system is used during normal landing gear extension and retraction?

Answer 16

No. 3 Hyd. system

Question 17

During landing gear retraction sequence, why is hydraulic pressure routed to activate the brake control valves?

Answer 17

To stop Main Wheel rotation

Question 18

What means is provided to mute the landing gear horn?

Answer 18

Horn Mute switch light on the landing gear control panel

Question 19

The Alternate Landing Gear Extension Method should be used in case of a failure in the Landing Gear Control System OR….

Answer 19

No. 3 Hydraulic System

Question 20

Pulling the landing gear manual release handle will permit the main landing gear to extend and lock into position…

Answer 20

Using gravity and down lock assist actuator force from the No. 2 HYD system

Question 21

What powers the wheel brakes?

Answer 21

No.2 HYD system powers the outboard brakes and the No. 3 powers the inboards brakes

Question 22

Where is the brake pressure displayed?

Answer 22

on EICAS HYD Synoptic page

Question 23

When the parking Brake is applied with all hydraulic pumps OFF, hydraulic pressure is trapped within which crake system?

Answer 23

Only the Inboard Brakes

Question 24

The Brake Temp Monitoring System (BTMS)…

Answer 24

Monitors the temperature of each brake and the information is displayed on EICAS

Question 25

The Strike Indicator located in the FWD end of the Tail Bumper assembly is there for…

Answer 25

Visual Indication of a tail strike

Question 26

Landing Gear position indicators are displayed on

Answer 26

ED 1

Question 27

MLG Doors are

Answer 27

Mechanically Operated