417.A break in one top line data bus:

　Disables all DEUs.

　Affects only type B DEUs.

　Only affects the type A DEUs behind the crack on this bus.

正确答案：C

A320机型英语知识练习

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244.How is the SSFDR energized ?

243.Which one is an FDIU function ?

242.Which item is used if several task numbers are relative to a same “WARNING/MALFUNCTION” and “CFDS FAULT MESSAGE” association?

241.Compared with the Airbus MMEL, an airline MEL can be :

240.( ) implies :

239.When is the leg number incremented ?

238.When is the LAST LEG REPORT transfered to the PREVIOUS LEGS REPORT ?

237.Which Centralized Fault Display System functions are available in BACKUP mode on ground ?

236.When you make a print of the PREVIOUS LEGS REPORT

235.Which Centralized Fault Display System functions are available in flight ?