1434. The OEUs change 115v Ac from the main bus to 5v AC for row call lights and 12v AC for the reading lights

A. 做好排查工作,找到腐蚀原因。

B. 采用这种检修方法可以发现变形的原因。

C. 执行排故程序,以找出故障原因。

A. Clean the surface with a soap and clean a water solution.

B. Use a soap-and-water solution to clean the surface.

C. Use a soap to clean the surface and a water solution.

A. 接通液压时应确保手柄未接触止动点

B. 液压释压时,确保手柄未触碰到止动点

C. 使用液压时应确保控制手柄持续移动

A. The operation of new generation aircraft has adopted the operation method of damage tolerance.

B. The damage tolerance design method is applicable to the new type aircraft.

C. The design concept of damage tolerance was successfully applied to the design of new generation aircraft.

A. 本章应提供制造商认为必要的信息,以便在飞机使用寿命期内可能需要进行的各种维修、大修或重大维修时正确校平飞机。

B. 本章提供制造商认定的必要信息用以保证飞机在全寿命期中进行各种维护,翻修或大修后正确校准飞机。

C. 本章提供制造商确定需要的信息用以保证飞机在运行期间进行各种维修,翻修或大修后适当配平飞机。

A. apply a coat

B. apply a primer

C. apply a bottom primer

A. A gear pump supplies hydraulic fluid to the unit.

B. A centrifugal pump supplies hydraulic fluid to the unit.

C. A centrosymmetric pump supplies hydraulic fluid to the unit.

A. 注意:总管的管道压力不能超过50psig

B. 注意:总管的管道压力不能低于50psig

C. 注意:总管的管道压力已经超过50psig

A. 再次启动发动机前,清除地面燃油。

B. 再次启动发动机前,拆除燃油管。

C. 启动发动机前,清除地面杂物。

A. Clean the plastic surfaces that are transparent.

B. Clean the plastic surfaces that are not transparent.

C. Clean the plastic surfaces that are dirty.