Pneumatic System Flashcards
1
Q
AIR SOURCE selector to EMER…
A
Either / both bleed air thru windshield heat exchanger and regulated by the EMER valve
2
Q
Which systems use pneumatic air for ops….
A
Windshield anti ice, rudder bias, cabin heat exchanger, emergency pressurization
3
Q
Left and right PRSOVs (pressure regulating and shut off valve, fail save open), when open, route engine bleed air to feed…
A
Left and right FCVs (just behind the PRSOV) at 5ppm and then to the cabin heat exchanger for normal heating, cooling and pressurization
4
Q
AIR SOURCE SELECT knob to FRESH AIR draws pylon ram inlet air to…
A
- To a fan (lower ducts)
2. Then to circulate air during unpressurized ground/inflight ops