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

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2
Q

Which systems use pneumatic air for ops….

A

Windshield anti ice, rudder bias, cabin heat exchanger, emergency pressurization

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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

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4
Q

AIR SOURCE SELECT knob to FRESH AIR draws pylon ram inlet air to…

A
  1. To a fan (lower ducts)

2. Then to circulate air during unpressurized ground/inflight ops

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