570. To find damage on wires, rub a cloth along them

A. 如果安装了某一个设备,那么要说明安装它的童要性

B. 如果安装了其中一个设备,则说明它是否是必需的设备

C. 如果安装了两个设备,需要说明其必要性

A. Both 28v dc and 115v are supplied to the ignition system.

B. Either 28v dc or 115v is supplied to the ignition system.

C. Only 28V dc power is supplied to the ignition system.

A. Basic control and operation information describing how the airplane components are controlled and how they operate, including any special procedures, and limitations that apply.

B. Basic control and operation information describing how the airplane components are controlled and operated, including any special procedures, and limitations that apply.

C. Basic control and operation information describing how the airplane components controll and operate, including any special procedures, and limitations that apply.

A. Visual difference is acceptable between the previous surface and the new surface.

B. There should be no visual difference between the initial surface finish and the new surface finish.

C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.

A. If the valve is the source of the fuel leak, discard the valve seals and install new ones.

B. If the fuel leaks out of the valve, reinstall the valve seals.

C. If the fuel leak flows towards the valve, discard the valve seals and install new ones.

A. Grease the V-clamp with grease before you install it.

B. Lubricate the V-clamp with grease before you install it.

C. Lubricate the V-clamp with lubricate before you install it.

A. The EEC receives the analog signal from the fuel filter differential pressure switch.

B. The fuel filter differential pressure sensor sends an modulated signal to the EEC.

C. The EEC processes the simulated signal from the fuel filter differential pressure bulb.

A. Describe how to operate the safety belt and wire harnesses.

B. Tell the way to use the seat and shoulder belts.

C. The seat and shoulder harness should be used by the pilot.

A. 温度传感器监控环境温度。

B. 温度传感器监控高温。

C. 温度计指示环境温度。

A. Make sure that you use the proper amount of detergent and cold water to clean;

B. Make sure that you use correct proportions of cleaning agents and cold water;

C. Make sure that you use the accurate portion of cleaning agents and cold water;