1525. THE OIL LEAK ( )THE ENGINE TO STOP

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. 如果无法使用自动控制,请使用人工控制程序

B. 用手动程序代替自动控制程序完成操作

C. 尽可能使用手动程序替代自动控制

A. Leave the solution for one hour, then stir it up.

B. Do not use the solution unless you shake it for one hour.

C. After agitation, allow the solution to stand for one hour.

A. Those units and components are used to induce and convert fuel-air mixture into power.

B. The function of those assemblies and units are to suction-defuel and send the fuel-air mixture into the power plant.

C. The function of those units and components are designed to pump and transform the fuel-air mixture into driving force.

A. This section tells how to identify a fault by checking flight instruments.

B. This section tells parameters on flight instruments.

C. This section tells how to find a failure of flight instruments.

A. 关闭流量控制和空调组件的关断活门。

B. 关闭空调组件的流量控制和关断活门。

C. 至于空调组件,关闭流量控制和关断活门。

A. Boost pump is generally used in lubrication system.

B. Boost pump is usually driven by electrical power.

C. Boost pump is mounted on the engine’s accessory gearbox and driven by the gearbox.

A. Worn components should be replaced even if the damage is below the maximum limits.

B. Replace components that are worn beyond their maximum limits.

C. The maximum limits can not be exceeded when repairing the worn components.

A. The manufacturer may establish procedures to provide drawback on unairworthy conditions

B. The manufacturer may establish procedures to provide response on unairworthy conditions

C. The manufacturer may establish procedures to provide recall on unairworthy conditions.

A. The swivel nuts on both valves engage threads on an internal stem that loosens or draws tight the valve stem to a metal seat.

B. The rotating nuts on both valves are meshed with the threads on the inner valve stud, so that the valve stud is loosened or tightened to a metal valve base.

C. The swing nuts on both valves engage with the threads on the internal spool, allowing the spool to loosen or tighten to the metal seat.