Hydraulic

Question 0

With the switch in the auto position, pump 3B will be operating during normal takeoffs and landings.

Answer 0

True

Question 1

Pump 3B is automatically running during a complete AC power failure: T/F

Answer 1

True

Question 2

What is normal hydraulic system pressure

Answer 2

3000 PSI

Question 3

What ACMP (AC Motor Pump) is directly powered by the ADG during an AC power failure?

Answer 3

3B is automatically powered during an AC power failure by the ADG when it is deployed.

Question 4

What is the normal percentage of hydraulic fluid in the system

Answer 4

45% – 85%

Question 5

AC motor pumps 1B and 2B Will automatically turn on during an engine failureT/F

Answer 5

False. You gotta turn them on.

Question 6

What does a half-intensity cyan display of an engine on the EICAS hydraulic page indicate?

Answer 6

Engine is running

Question 7

Where would you normally be able to read the hydraulic brake pressure

Answer 7

On the hydraulic synoptic page

Question 8

Where can the hydraulic system be viewed on the EICAS under normal operating conditions

Answer 8

The EICAS ED2 hydraulic synoptic page

Question 9

What activates the hydraulic shut off valve at the engine firewall?

Answer 9

Engine fire push switch light

Question 10

When the hydraulic pumps one and two are set to AUTO, When will the pumps automatically start?

Answer 10

Any generator online and flaps are out of the 0° position

Question 11

Which hydraulic pumps are Engine driven

Answer 11

1A and 2A

Question 12

How are hydraulic systems # 1 and # 2 cooled?

Answer 12

Ram air/oil heat exchangers

Question 13

True or false: Systems one and two are each powered by an EDP and an AC motor pump.

Answer 13

True

Question 14

Hydraulic system 3 is powered by how many AC-motor pumps?

Answer 14

Two

Question 15

During normal operations, System one provides hydraulic pressure to

Answer 15

Outboard multifunction spoiler panels

Question 16

With normal switch positions, which electric Hydraulic pump normally operates continuously?

Answer 16

3A

Question 17

System 3 provides hydraulic pressure to

Answer 17

Inboard brakes

Question 18

System 2 provides hydraulic pressure to

Answer 18

Right side primary flight controls
right side spoileron
outboard brakes

Question 19

How many hydraulic systems are normally used to power the rudder

Answer 19

Three systems

Question 20

How many hydraulic pumps does the CRJ have?

Answer 20

6 - 2 engine driven and 4 electric

Question 21

You are at the gate with only the APU running. Which hydraulic pumps can operate?

Answer 21

All the electric pumps

Question 22

You’re taxiing out on a single engine (right engine). Which hydraulic pumps are running in normal operations (flaps up)

Answer 22

3A and 2A

Question 23

The A pumps are engine driven, and the B pumps are electric AC motor pumps

Answer 23

False

Question 24

What is considered low hydraulic pressure?

Answer 24

1800 PSI

Question 25

What is considered high hydraulic pressure?

Answer 25

3200 PSI (amber)

Question 26

What hydraulic system power the inboard ground spoilers

Answer 26

3 system

Question 27

With the No. 1 engine shutdown in flight, which hydraulic pumps are not available?

Answer 27

1A

Question 28

How many pumps does each hydraulic system have?

Answer 28

2

Question 29

Which hydraulic system does not use a heat exchanger?

Answer 29

Hydraulic system 3

Question 30

What hydraulic systems power the left aileron?

Answer 30

1and #3 systems

Question 31

What psi will hydraulic fluid see the relief pressure overflow?

Answer 31

3750 psi