?8449.Which is true regarding the ground check of a flap operating mechanism which has just been installed?

发布于 2021-02-18 22:10:11
【单选题】
A ?If the time required to operate the mechanism increases with successive operations, it indicates the air is being worked out of the system.
B ?If the time required to operate the mechanism decreases with successive operations, it indicates the air is being worked out of the system.
C ?All hydraulic lines and components should be checked for leaks by applying soapy water to all connections.

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