Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardhydraulic-systems
A power transfer unit (PTU) in a hydraulic system:
A
Transfers fluid between systems
B
Transfers hydraulic power between systems without fluid transfer
C
Converts hydraulic pressure to electrical power
D
Replaces the engine-driven pump at altitude
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See where you stand: 5 hard questions, instant score, every answer explained.