216.With the X BLEED selector at AUTO and air supplied by ENG 1 ONLY, the X BLEED valve:

　Does not receive any order.

　Is automatically controlled to open.

　Is controlled to close.

正确答案：A

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445.Where is the APU generator oil outlet temperature signal sent to?

444.When does the APU GEN FAULT light come on ?

443.What is the configuration if both BTCs are closed ?

442.What is the configuration if BTC 1 is open and BTC 2 is closed?

441.What is the configuration if both BTCs are open ?

440.What happens if a parallel feeder becomes open?

439.What happens if an overload warning occurs?

438.How is a differential protection trip reset ?

437.What is the configuration of the electrical network when a zone 2 differential protection has occurred on GEN 1?

436.what is the configuration of the electrical network when a zone 1 differential protection has occurred on GEN 1?