1
Q
Common pneumatic system sources
A
Venturi
Air Pumps
Turbine Compressor Bleed Air
Pressurized Air Bottles
High Pressure compressors
2
Q
Low pressure systems
A
Gyros: Used for navigation and instrument
Deicer Boots:Used for removing ice from wings and stabilizer leading edges
3
Q
Two types of air pumps
A
Dry pump: uses carbon vanes so is self lubricating by the vanes
Wet pump: Pumped into the engine lubrication system for lubrication
4
Q
Gate check valve
A
Prevents possible damage to the instruments by engine backfire that would reverse the flow of air and oil from the pump
