Landing Gear and Brakes

Question 1

Which hydraulic system controls extension and retraction of the landing gear?

Answer 1

2.

Question 2

T or F: the proximity sensor electronic unit (PSEU) controls gear and door extension and retraction.

Answer 2

True.

Question 3

When does the gear handle illuminate?

Answer 3

Anytime the handle disagrees with the gear position.

Question 4

T or F: only hydraulic pressure keeps the gear in the down and locked position.

Answer 4

False, there are overcenter locks.

Question 5

When would pilots use the alternate gear extension?

Answer 5

The LDG GEAR INOP caution light illuminates, landing gear indication fails, #2 hydraulic system is lost.

Question 6

T or F: when pulling the main landing gear release handle, only the gear uplocks are released.

Answer 6

False, the main gear hydraulic door is released as well.

Question 7

What happens when pilots pull the main landing gear release handle (located in the ceiling above the First Officer)?

Answer 7

The main gear hydraulic door and gear uplocks are released.

Question 8

Where is the handle found for the alternate gear extension hand pump?

Answer 8

Behind the copilot seat.

Question 9

If there is a failure in the weight-on-wheels (WOW) system, what might happen?

Answer 9

WT ON WHEELS caution light might illuminate, the landing gear may not retract.

Question 10

How many degrees can the nose wheel free caster?

Answer 10

Up to 120 degrees either side.

Question 11

T or F: nose wheel steering is self centering.

Answer 11

True.

Question 12

How many degrees of steering are available using the tiller?

Answer 12

70º either side.

Question 13

How many degrees of steering are available using the rudder pedals?

Answer 13

8º either side.

Question 14

Which hydraulic system controls the normal brake and anti-skid system?

Answer 14

1.

Question 15

Which hydraulic system does the emergency parking brake use?

Answer 15

2.

Question 16

What wheel speed is needed to for the antiskid system to activate?

Answer 16

On takeoff 10 knots. On landing 35 knots.

Question 17

How many applications can a fully charged accumulator supply to the brakes?

Answer 17

6 brake applications.

Question 18

T or F: all gear doors are attached to the gear assembly and open and close mechanically.

Answer 18

False.

Question 19

Gear assemblies are held in the retracted position by ____.

Answer 19

Mechanical uplocks.

Question 20

What action routes retraction and extension hydraulic pressure back to the return lines?

Answer 20

Opening the alternate release door.

Question 21

What happens when the nose wheel steering switch is selected to OFF?

Answer 21

Both steering systems are disabled and the gear is in caster mode.

Question 22

Normal brake applications are powered by ____.

Answer 22

1 hydraulics.

Question 23

What is the purpose of the anti-skid system?

Answer 23

To modulate hydraulic pressure to individual wheel brakes during a skid.

Question 24

T or F: there is no differential braking or anti-skid protection when using the EMERG BRAKE lever.

Answer 24

True.