PSU stands for what?

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Multiple Choice

PSU stands for what?

The concept here is recognizing the standard term for the cabin panel above each passenger seat. PSU refers to the Passenger Service Unit—the panel you see that houses the reading light, individual air vent, and the call button, and often the oxygen mask compartment. That combination of services is why this is the correct term: it’s the aviation-specific label used for the unit that serves passengers in the seating area. The other options don’t fit aviation terminology for this feature. Passenger Safety Unit isn’t the standard name for the seat-area panel, Public Service Utility isn’t used in cabin equipment naming, and Power Supply Unit is an electronics term not used to describe the passenger cabin module.

The concept here is recognizing the standard term for the cabin panel above each passenger seat. PSU refers to the Passenger Service Unit—the panel you see that houses the reading light, individual air vent, and the call button, and often the oxygen mask compartment. That combination of services is why this is the correct term: it’s the aviation-specific label used for the unit that serves passengers in the seating area.

The other options don’t fit aviation terminology for this feature. Passenger Safety Unit isn’t the standard name for the seat-area panel, Public Service Utility isn’t used in cabin equipment naming, and Power Supply Unit is an electronics term not used to describe the passenger cabin module.

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