Block 4 Phase III - Pneumatics Flashcards
Explain Pneumatic Powers role on the plane.
supplies hot, high-pressure to systems that use air.
What are the sources of Pneumatic power?
Engine 1 & 2 Bleed Air system
Auxiliary Power Unit (APU) Bleed Air System
Pneumatic Ground Air Connection
Pneumatic Manifold System
Pneumatic Manifold System supplies pressurized air to:
Engine starting systems
Air Conditioning (heating and cooling)
Engine Inlet Cowl Anti-Ice system
Wing thermal anti-ice system
Water Tank Pressurization system
Hydraulic Reservoir pressurization system
Maximum allowable Cabin Altitude?
8,000Ft
State the purpose of the cabin pressure relief system
State the purpose of the cabin pressure relief system
Protects airplane structure from overpressure and negative pressure if the pressurization control system fails.
The oxygen system supplies 19 persons oxygen for a minimum of how many minutes?
25 minutes
