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Flashcards in Systems Questions Deck (30):
1

What controls are not Fly-By-Wire

Ailerons

2

All FBW controls employ what?

ACE - Actuator Control Electronics

3

What does the electrical PBIT do?

It is automatically performed during power up and provides detection of out-of-tolerance conditions and failures in the FCM's, P-ACE and SF-ACEs

4

What is required for the Electrical PBIT

Automatic after aircraft is powered by any AC source

5

How long does the Electrical PBIT take?

Approximately 3 minutes

6

If the FLT CTRL BIT EXPIRED msg is displayed... ??

The Hydraulic PBIT must be performed

7

What 3 conditions interrupt the electrical PBIT

Any Hydraulic pump is running
The Flight Control Mode Panel switches are cycled
The AC power supply is interrupted

8

What does the Hydraulic PBIT do?

Provides functional test of the flight actuators

9

The Hydraulic PBIT is performed... when???

Automatically when all 3 hydraulic systems are engergized

10

The Hydraulic PBIT can be initiated manually how?

Manually by turning on all 3 hydraulic pumps.

11

How long does the Hydraulic PBIT take?

Approximately one minute

12

The Hydraulic PBIT will not begin if hydraulic reservoir temperature is... ?

Below 10 deg C

13

On the ground, Hydraulic Pump System 1 and 2 ACMPs come on in the Auto Position when... ?

Flaps greater than zero,
- Thrust set for Takeoff
or
- Ground speed greater than 50 Kts

14

On the ground hydraulic ACMP 2 will automatically be activated when... ?

Engine #1 is running AND parking brake released

15

When does hydraulic ACMP 2 turn off on the ground?

Automatically after 6 minutes have elapsed from parking brake application

16

What is the PTU

Power Transfer Unit

17

When is the PTU activated?

During Takeoff and Landing if the engine 2 or EDP 2 fails

18

The PTU will automatically be activated when ALL of the following conditions are met:

Flaps greater than Zero
EDP 1 not failed
Hydraulic reservoir 2 quantity above 12%

19

Hydraulic System 3 is comprised of ... ?

One Reservoir
Two Hydraulic ACMPs
One Accumulator

20

The Hydraulic System 3 supplies what systems?

Elevator ( right hand outboard )
Rudder ( lower actuator )
Ailerons ( left and right outboard actuators )

21

When is the Hydraulic 3B actuated?

In flight if hydraulic electric pump 3A fails

22

Meaning of HYD 1 HIGH TEMP Caution Msg

Hydraulic reservoir temperature has reached 100 deg C

23

Meaning of HYD 1 OVERHEAT Warning Msg

Hydraulic Pressure has reached 145 deg C

24

When Hydraulic fluid temp increases to 100 deg C

HYD 1 HIGH TEMP Caution EICAS Message

25

When Hydraulic fluid temp reaches 125 deg C

Hydraulic SOV closes

26

When Hydraulic fluid temp reaches 145 deg C

HYD 1 OVERHEAT Warning EICAS Message

27

The electrical PBIT takes how long?

3 minutes after AC power is established

28

The electrical PBIT will be interrupted if... ?

Any hydraulic pump is running
The Flight Control Mode Panel switches are cycled
The AC power supply is interrupted

29

Hydraulic PBIT takes how long?

One minute after all three hydraulic systems are pressurized

30

The hydraulic PBIT will be interrupted if... ?

Any flight control surface is moved while test is running