During level flight at a constant cabin pressure altitude (which could be decreased, even at this flight level), the cabin outflow valves are:

Question

Question ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Airframe, Systems, Powerplant

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Partially open.

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Fully Closed Until The Cabin Climbs To A Selected Altitude.

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Fully closed until the cabin descends to a selected altitude.

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At the pre-set position for take-off.

Id 197 - ATPL - During level flight at a constant cabin pressure altitude (which could be decreased, even at this flight level), the cabin outflow valves are: