2813.An example of a deferred emergency is a landing gear that does not respond properly to normal gear switch actions when there are no other malfunctions in the powerplant or other systems.

A. Put the actuators against the tires.

B. Put the chocks against the wheels.

C. Put the chain against the brakes.

A. For purposes of this specification,"aircraft" means the relevant optional parts of the airframe and parts specified in the type certificate or supplied by the aircraft manufacturer

B. For the intention of this specification," airplane" is know as the airframe selective components set forth in the Type Certificate or provided by the airplane producer.

C. For purposes of this specification,"aircraft" means the airframe and parts specified in the Type Certificate or the related optional parts supplied by the aircraft manufacturer.

A. Explain how to check them for proper operation and how to recognize a malfunction.

B. Describes how to check that they are functioning properly to identify faults.

C. Describes how to identify these failures so that these systems can function properly.

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A. Clean window using much quantities of soap and water.

B. Clean window using liberal quantities of soap and water.

C. Clean window with large quantities of soap and water.

A. 传感器、指示器构成了机指示系统的主体部分,能够显示空气系统的温度、压力及控制位置等。

B. 发射机、指示器可用于显示空气系统的温度、压力、和控制位置等。

C. 发动机指示系统用于显示温度、压力以及空气系统的控制器位置,包括传感器、指示器等部件。

D. C.发动机指示系统用于显示温度、压力以及空气系统的控制器位置,包括传感器、指示器等部件。

A. Grind the surface with a soft cloth after it becomes light.

B. Rub the surface with a soft cloth when it becomes brightness.

C. Polish the surface with a soft cloth until it becomes shiny.

A. To depressurize the braking system,operate the hand pump handle through its full travel.

B. To inflate the braking system,operate the hand pump handle through its full travel.

C. To bleed the braking system,operate the hand pump handle through its full travel.

A. The Boeing-777 airplanes are different from the previous Boeing series ones mainly in that they are flown by wires.

B. The difference between the Boeing-777 airplanes and the subsequent Boeing series is that they are operated by wires.

C. Fly-by-wire is the main difference between Boeing-777 airplanes and the subsequent Boeing series.