Cabin Pressure Panel - Rev 04 Flashcards Preview

VX Oral Study Guide > Cabin Pressure Panel - Rev 04 > Flashcards

Flashcards in Cabin Pressure Panel - Rev 04 Deck (10)
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1
Q

Which valves will receive a close command when the DITCHING push button is depressed?

(FCOM-DSC-21-20-30)

A

ARPO

Avionics Inlet and Extract valves

Ram air inlet

Pack Flow Control valves

Outflow valve (only if in AUTO mode)

2
Q

Will the DITCHING push button always close the outflow valve?

(FCOM-DSC-21-20-40)

A

Not if the outflow valve is under manual control

3
Q

Can the pilot control the outflow valve?

(FCOM-DSC-21-20-30)

A

Yes, select MAN on the MODE SEL and use the MAN V/S CTL switch

4
Q

How many controllers are in the pressurization system?

(FCOM-DSC-21-20-30)

A

2 - only one is used at a time and they swap roles after each landing

5
Q

How do you manually switch controllers?

(FCOM-DSC-21-20-40)

A

Switch MODE SEL to MAN for 10 seconds, then back to AUTO

6
Q

What does an amber FAULT light in the MODE SEL push button indicate?

(FCOM-DSC-21-20-40)

A

Both automatic pressure controllers are faulty

7
Q

From what source does the pressurization system obtain landing elevation?

(FCOM-DSC-21-20-40)

A

FMGC database

8
Q

When the mode selector is out of the AUTO position, how do you set a landing elevation?

(FCOM-DSC-21-20-40)

A

Manually by selecting landing elevation via the LDG ELEV dial

9
Q

What protects the airframe from excessive cabin differential pressure?

(FCOM-DSC-21-20-20)

A

2 pressure relief valves (safety valves)

10
Q

How many outflow valve motors are installed?

(FCOM-DSC-21-20-20)

A

3 - One for each CPC and one for manual control