Pneumatics Flashcards
When is the GND air symbol displayed?
Whenever the aircraft is on the ground
When are the HP bleed valves used?
At low power settings
What opens automatically with APU bleed on?
The X Bleed valve
Temperature of each aircraft zone is optimized by means of…
A Trim Air valve
When should the PACK FLOW selector be set to LO?
With a low passenger load to reduce bleed air demand and improve fuel economy
What Pack Flow can you select using only APU bleed air?
HI Flow is automatically selected regardless of the selector position when air is being supplied by the APU
Can the Safety valves be manually actuated?
No, they are fully automatic.
The MAN V/S CTL switch allows you to control Cabin V/S by…
Manually adjusting the outflow valve