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
Why does the flight deck receive air from the left pack at a higher pressure than the passenger cabin?
3 / 15
What action is required during preflight if the LANDING ALTITUDE EICAS message is displayed with the FWD and AFT OUTFLOW VALVE switches in AUTO?
4 / 15
What does the PACK MODE R EICAS message indicate?
5 / 15
During climb, what parameter(s) schedule cabin altitude?
6 / 15
When does the EICAS message EQUIP COOLING display?
7 / 15
What determines the pack outlmet temperature?
8 / 15
Forward Equipment Cooling system does not reconfigure automatically to override mode automatically for which of the following?
9 / 15
Which component can be reset by the air conditioning reset switch.
10 / 15
In flight, the cabin altitude controller operates in:
11 / 15
Each trim air system supplies three zone supply ducts, with the left trim air system also supplying the flight deck.
12 / 15
During preflight, what position should the FWD and AFT OUTFLOW VALVE switches and LDG ALT selector be in?
13 / 15
If cruise altitude is unavailable from the FMC in AUTO, the cabin altitude controllers assume a cruise altitude of:
14 / 15
What cabin differential pressure is scheduled for takeoff?
15 / 15
What must be done to manually set a landing altitude?
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