Boeing 777 Air Systems
Boeing 777 Air Systems Revised 10/7/24
1 / 15
Why does the pressurization system schedule the cabin altitude slightly below airport field elevation for landing?
2 / 15
What landing altitude is displayed on the EICAS pressurization system indications when the airplane has traveled less than 400 miles or less than the halfway point?
3 / 15
When does a visible orange lip indicate on a pressure relief valve?
4 / 15
When is the pack OFF light illuminated amber? Choose one answer
5 / 15
When does the ground crew call horn sound?
6 / 15
What is the source of supplemental heat for the aft cargo compartment?
7 / 15
Under normal conditions, what is the source of bleed air to start the second engine?
8 / 15
Which of the following is false for the PACK Switch illuminating OFF?
9 / 15
The LANDING ALTITUDE advisory message indicates which of the following?
10 / 15
If the cruise altitude is unavailable from the FMC in AUTO, the cabin altitude controllers assume a cruise altitude of 39,000 feet.
11 / 15
Which component can be reset by the air conditioning reset switch.
12 / 15
If landing altitude is unavailable from the FMC (and not set in MAN), the EICAS advisory message LANDING ALT is displayed. The cabin altitude controller:
13 / 15
What is the indication that an outflow valve is in manual control?
14 / 15
During preflight, what position should the FWD and AFT OUTFLOW VALVE switches and LDG ALT selector be in?
15 / 15
What happens when the BULK CARGO TEMPERATURE selector is positioned to HIGH?
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