1356.The airplane fuel system supplies pressurized fuel from the center or main tank.

A. Briefly describe and explain principle of operation of any new kinds of flight instruments.

B. The working principles of various new flight gauges are easily introduced and expressed.

C. The new types of flight facilities should be described and explained shortly.

A. Rub the basin with water.

B. Flush the basin with water.

C. Fill the basin with water.

A. Provide the pneumatic power for the system.

B. Supply the electrical power for the system.

C. Remove the electrical power of the system.

A. 其他信息可能会显示在封面上。

B. 其他信息可能会在盖板上留下。

C. 其他信息可能会显示在目录上。

A. Lubricate the engine and its accessories with the same brand.

B. Lubricants for the engine and the auxiliary equipment are the same.

C. The engine and the additional devices are greased in a same manner.

A. If you find damaged lines,restore them.

B. If you find loosen cables,fix them.

C. If you find broken wires,repair them.

A. Do not extend or retract landing gear above this speed.

B. Do not expand or retract landing gear at this speed.

C. Do not put down or retract landing gear by more than this speed.

A. Each system is composed of basic components and all equipment,mechanic controls and system related electric and hydraulic units.

B. Basic components and all apparatus are made up of each system,including mechanical controls and electrical and hydraulic units related sytem.

C. Each system includes the basic components and all instruments,mechanical controls,electrical and hydraulic units related to the system.

A. Make sure that the bolt heads are attached to the skin.

B. Make sure that the screw heads are connected with the metal.

C. Make sure that the fastener heads are flush with the skin.

A. Drain the used oil into a container.

B. Pump the used oil into a container.

C. Suck the used oil into a container.