Hydraulics

Question 1

Utility systems powers

Answer 1

Wing flaps
Main landing gear
Nose landing gear
Normal brakes
Nosewheel steering
Half the control boost

Question 2

Booster system

Answer 2

Half the control boost

Question 3

Auxiliary system

Answer 3

Cargo door and ramp
Emergency brake operation
Emergency nose landing gear extension
Emergency AR pod operation

Question 4

Engine driven pumps maintain approximately ____psi

Answer 4

3000

Question 5

Utility system reservoir holds

Answer 5

5.5 gallons

Question 6

Engine pump switches control

Answer 6

Two hydraulic shutoff valves
(Same that are operated by fire handle)

Question 7

Auxiliary system powered by

Answer 7

Three-phase ac electrically driven pump

Question 8

The auxiliary system can be operated:

Answer 8

Electrically or manually

Question 9

The auxiliary system maintains approximately ____psi

Answer 9

3000

Question 10

Rudder boost pressure normally is supplied at approximately ___psi

Answer 10

1300

Question 11

Movement of the flaps to the ___ position or beyond, activates diverted valves to bypass pressure reducers allowing for ___ psi

Answer 11

3000

Question 12

Aileron booster assembly supplies pressure from booster and utility systems at approximately

Answer 12

2050 psi

Question 13

Aileron Diverter Valve system (ADV)

Answer 13

Provided improved handling qualities below 270 knots with the autopilot off

Question 14

ADV commanded by MC, to open bypass allowing for normal pressure to AILERON boost package
ADV system px:

Answer 14

Low limit: 1960-2140 psi
High limit: 2860-3115 psi

Question 15

Elevator booster assembly has dual actuating cylinders operating at:

Answer 15

3000 psi powered by utility and booster hydraulic systems

Question 16

Antiskid braking needs 4 conditions to work

Answer 16

E-brake off
Anti skid switch on
Gear not up
Parking brake released

Eng 1 or 2 must be providing power