Hydraulics

Question 1

Accumulators provide enough pressure for a minimum of

Answer 1

Seven full brake applications

Question 2

If green system hydraulic pressure fails, the blue system automatically takes over and powers the brakes. Antiskid remains

Answer 2

Available and nosewheel steering is lost.

Question 3

When the antiskid and nosewheel steering switch is OFF, the

Answer 3

Blue hydraulic system powers the brakes. Antiskid is deactivated.

Question 4

The bottom arcs of the triple indicator shows

Answer 4

Blue hydraulic system pressure delivered to the brakes on each side measured upstream of

Question 5

Autobrake armed, blue ON. Autobrake activated DECEL

Answer 5

In green

Question 6

When temperature of any brake exceeds

Answer 6

300ºC it is displayed solid amber. The arc above the hottest wheel becomes solid amber.

Question 7

Tire pressure indicating system

Answer 7

TPIS

Question 8

With parking brake on – crew is able to check

Answer 8

Brake wear indicators during exterior inspection

Question 9

If during an engine start with the PARK BRK ON, aircraft begins to move due to a parking brake failure, immediately

Answer 9

Release the PARK BRK handle to restore braking via the pedals.

Question 10

Safety exterior inspection, check condition of wheels and tires,

Answer 10

Hydraulic lines, brakes and brake wear indications

Question 11

Preliminary – check – PRK BRK on, gear lever down,

Answer 11

Accumulator and brake pressure

Question 12

Before pushback or engine start, check the

Answer 12

Memo display for N/WS DISC green

Question 13

After landing, autobrake should be disengaged prior to reaching

Answer 13

20 kt,

Question 14

Land gear down locked – extra fuel consumption

Answer 14

2.8

Question 15

If there is a problem with landing gear not up – locking, maintain speed no greater than

Answer 15

250kt

Question 16

LDN gear down, fuel consumption increases. Multiply it by

Answer 16

2.8 and disregard flight management computer fuel predictions.

Question 17

To extend LDG gear, reduce to

Answer 17

200kt, first, then extend. LDG gear by gravity extension

Question 18

Hydraulic three areas:

Answer 18

System overview, generation systems, distribution systems

Question 19

Hydraulic pressure

Answer 19

3,000 psi (+ - 200psi); RAT 2,500psi

Question 20

Hydraulic system monitoring units controls

Answer 20

3 systems

Question 21

Note: yellow electrical pump does not operate if

Answer 21

Green is operating landing gear

Question 22

Green system electric pump can be controlled

Answer 22

Manually or automatically

Question 23

Normal system operating pressure is

Answer 23

3,000psi and RAT 2,500psi

Question 24

Engine hydraulic pump 1 or 2 fault light illuminates amber if

Answer 24

reservoir low air pressure and or low level.

Question 25

In the event of engine failure, green system electric pump runs for

Answer 25

25 seconds when landing selector lever is selected up and aircraft speed is above 100 kt

Question 26

In AUTO mode, HSMU automatically controls

Answer 26

Hydraulic pumps.

Question 27

In the event of a failure of engine 2, with flaps not at 0, yellow electric pump

Answer 27

remains running until the last engine shutdown

Question 28

When leak measurement valves pb are OFF,

Answer 28

Primary flight controls are affected

Question 29

RAT may be extended automatically in flight if

Answer 29

Both engines fail, GREEN and BLUE hydraulic reservoirs indicate low level or GREEN and YELLOW hydraulic reservoir indicate low level

Question 30

When one of the three electric pumps in running HYD ELEC PUMP appears

Answer 30

In green on the memo display

Question 31

Before raising a guarded button

Answer 31

Confirm the selection with PF and then raise the guard

Question 32

The RAT has been deployed on ground and maintenance must be called to

Answer 32

Re stow the RAT

Question 33

Yellow electrical hydraulic pump runs automatically if

Answer 33

Engine 2 fails in flight and flap lever is not at 0