Pressurization

Question 1

How is the pressurization system controlled?

Answer 1

Buy two pressurization controllers

Question 2

Which areas of the aircraft and not pressurized?

Answer 2

• Radome
• landing gear bay areas
• Pack bay area
• tail area

Question 3

When do the cabin pressure controllers switch operations between each other?

Answer 3

• Shortly after landing
• Or if manual mode is selected and deselected

Question 4

What happens if one pressure controller fails?

Answer 4

The other automatically takes over all functions

Question 5

What happens if both pressurization controllers fail?

Answer 5

Manual mode may be used to control the pressurization.

Question 6

How many outflow valves are on the A320?

Answer 6

1 outflow valve

Question 7

How many motors drive the outflow valve?

Answer 7

2 motors (auto)
1 motor (manual)

Question 8

If the MAN V/S CTL switch is selected to up, what happens to the outflow valve? And if selected to down?

Answer 8

Up opens the valve
Down closes the valve

Question 9

How many safety valves does the A320 have?

Answer 9

2

Question 10

When the ditching pb is pressed, what valves close?

Answer 10

• outflow valve
• emergency ram air inlet
• avionics ventilation inlet valve
• avionics ventilation extract valve
• pack flow control valves