The light and switches are used to indicate operation or activation of propeller systems.

A. The layout does not rely on devices that require power such as computers.

B. The format should not rely on devices such as a power computer.

C. The forms should be independent from any equipment, computers are suitable.

A. The following components are recommended for alteration. The swap of other components can be made on condition.

B. The following parts are recommended to be refurbished. Other parts can be plated according to on wing status.

C. The following parts are recommended for modification. Utilization of other parts can be by in-service experience.

A. After the system is pressurized, the elevators will drop down no matter where the rigging pin is installed.

B. Without the rigging pin, the elevators will go down when there is no pressure in the system.

C. The rigging pin can prevent the elevators from retracting and expanding when the system is de-energized.

A. 货舱空气的不流通是个重要的问题。

B. 客舱空气污染是一个重要的问题。

C. 处理机舱空气是个重要的问题。

A. 如果轮胎温度升高至超过177度，易熔塞熔化且轮胎放气。

B. 如果轮胎温度上升177度，易熔塞会熔化并导致轮胎泄气。

C. 当轮胎温度超过177度时，保险丝会熔化并导致轮胎漏气。

A. 松散接头会造成损伤。

B. 错误连接会造成损伤。

C. 损伤的原因是松散连接。

A. ATA chapter is indicated by a pair of the digits of the first fault code.

B. ATA chapter is indicated by latest pair of the digits of the fault code.

C. The first pair of the digits of fault code indicates the applicable ATA chapter.

A. 确保电动机操作顺滑。

B. 确保发电机平稳运行。

C. 确保生产者顺利操作。

A. Solenoid valves shall be shown with a notation. The notation indicates the spring is loaded by the valve to the open or closed position.

B. Solenoid valves shall be shown with a symbol. The valve indicates whether the valve is spring-loaded to the open or closed position.

C. Solenoid valves shall be shown with a mark. The mark indicates whether the valve is spring-loaded to the open or closed position.

A. 将卡箍放在电缆上以将其固定到位。

B. 将线圈放在导线上以将其固定到位。

C. 将线圈放在电缆上以将其固定到位。