Pressurization

Question 1

The ____ outflow valve normally controls most of the exhausted air.

Answer 1

aft

Question 2

After pulling out on the Landing Altitude Selector, the landing altitude is displayed on ____.

Answer 2

the lower portion of the EICAS display

Question 3

At touchdown, both outflow valves move to ____ position(s).

Answer 3

Open

Question 4

The maximum allowable cabin pressure differential for takeoff and landing is ____ psi.

Answer 4

0.11

Question 5

With the Landing Altitude (LND ALT) selector pushed in how is the landing altitude set.

Answer 5

The landing altitude is set automatically by the FMS

Question 6

Which of the following statements are true regarding the manual (MAN) position of the OUTFLOW VALVE switch?

Answer 6

AUTO is extinguished in the OUTFLOW VALVE switch.

Bypasses automatic outflow valve control and cabin altitude limiter.

All of the above.

Question 7

With the Landing Altitude (LND ALT) selector pushed in how is the landing altitude set.

Answer 7

The landing altitude is set automatically by the FMS.

Question 8

Which of the following statements are true regarding the manual (MAN) position of the OUTFLOW VALVE switch?

Answer 8

Bypasses automatic outflow valve control and cabin altitude limiter.

All are correct

The Outflow valve is controlled manually.

An amber “M” appears in the outflow valve depiction on the EICAS Expanded Air Display

Question 9

You are climbing through FL190. Unknown to you, the cabin altitude has slowly increased above normal range. Will you have any EICAS indications?

Answer 9

Expanded air pressurization system indications should be displayed on the bottom of the upper EICAS display.

Question 10

The expanded air display has popped up and the altitude under CAB ALT is in amber font. There are no other messages or aural warnings. If you didn’t notice the display, and the cabin altitude continues to increase, what will happen?

Answer 10

Once a cabin altitude exceedance occurs, the red EICAS warning message, CABIN ALTITUDE, annunciates.

Question 11

After receiving this EICAS message, the red Master Warning Light, and the associated aural warning, you perform the first three QRC items. If cabin altitude is uncontrollable, what would you do?

EICAS “CABIN ALTITUDE”

Answer 11

Deploy the passenger oxygen masks and accomplish emergency descent