Boeing 777 Air Systems
Boeing 777 Air Systems Revised 10/7/24
1 / 15
During preflight, what position should the FWD and AFT OUTFLOW VALVE switches and LDG ALT selector be in?
2 / 15
During preflight, what position should the APU BLEED AIR switch be in?
3 / 15
What action is required if a visible orange lip on a pressure relief valve is displayed?
4 / 15
What does the MAN position on the FLT DECK TEMP control do?
5 / 15
What is the cabin altitude at maximum certified airplane operating altitude?
6 / 15
Which statement(s) is (are) correct about the equipment cooling override mode?
7 / 15
When does the EICAS message EQUIP COOLING display?
8 / 15
How are cargo compartments controlled in terms of temperature ranges?
9 / 15
Which of the following are landing elevation limits for B777?
10 / 15
Which system(s) supply trim air to the flight deck?
11 / 15
12 / 15
The controller uses ambient pressure and flight plan data from the FMC to calculate a cabin pressurization schedule. The schedule provides a comfortable cabin climb to cruise altitude.
13 / 15
If a duct leak is detected, the system automatically isolates the leak. The EICAS caution message BLEED LEAK is displayed. The automatic isolation logic may include:
During isolation, the ENGINE and/or APU bleed switch OFF lights and the ISOLATION switch CLOSED lights illuminate and extinguish as the repective valves close and open.
14 / 15
If one pack is in standby cooling and the other pack is operating normally, the pack in standby cooling mode shuts down at lower altitudes and higher outside air temperatures when ambient conditions do not permit standby cooling.
15 / 15
What protects the fuselage against excessive differential pressure?
Your score is
