Pneumatics Flashcards
1
Q
The pneumatic system can be supplied by the
A
Engines, APU, or Ground pneumatic source
2
Q
Engine bleed air comes from the _ and _ engine compressor stages
A
9th and 14th
3
Q
When does the 14th stage high stage valve (HSV) open automatically
A
During low engine thrust operations, engine cross bleed start, and anti ice operation
4
Q
The pneumatic system functional logic automatically closes the _ whenever any engine is supplying bleed air to the left pneumatic side
A
APU Bleed valve
5
Q
The pneumatic system automatic logic closes the left pack valve whenever the anti icing system is operating below _ft
A
24,600