Pneumatics Flashcards
1
Q
What is normal bleed air pressure?
A
44-52 psi
2
Q
What is normal bleed air temperature?
A
200 degrees celsius
3
Q
How does the BMC regulate bleed pressure?
A
bleed valve
4
Q
How does the BMC regulate bleed temperature?
A
precooler and fan air valve
5
Q
With the cross bleed selector in auto, what happens to x bleed valve and engine bleed valves when apu bleed valve is open?
A
x bleed valve opens and engine bleed valves close
6
Q
Is WAI allowed if only one bleed system is operating and both packs are on?
A
No, you must turn a pack off
7
Q
Which BMC provides leak detection for the apu?
A
BMC 1
8
Q
What should you not do if ground LP air is connected?
A
use the packs
9
Q
What to avoid if GND HP air is connected?
A
Don’t have the apu bleed turned on at the same time
