2180.Remove all the rigging pins and equipment that prevent free movement of the control surfaces.

A. 旅客客舱排气通过地板管路到再循环系统或者头顶板。

B. 旅客客舱剩余空气通过地板管路到再循环系统或者头顶板。

C. 旅客客舱排气途经地板格栅到再循环系统或者头顶板。

A. 冷却组件用来冷却风扇管道中的空气。

B. 点火组件是由来自风扇涵道的空气进行冷却的。

C. 加热组件是在风扇涵道的空气里进行冷却的。

A. Identify the disassembled parts with tags.

B. To notice the removed parts with the lable.

C. To mark the assembled parts with the cards.

A. Count the velocity in the circuit.

B. Compute the current in the route.

C. Calculate the voltage in the circuit.

A. Maximum altitude loss during stall recovery is approximately 800 feet.

B. Maximum altimeter loss during spin recovery is about 800 feet.

C. Maximum weight loss during stall recovery is nearly 800 feet.

A. 评估一个事故造成的损伤。

B. 通过事件来检查一个损伤。

C. 事故后检查损伤。

A. It is important that the correct sequence of assembly is used when doing a repair,this will make sure that all parts are correctly aligned.

B. It is important to assemble the parts in a correct order during a repair which makes sure all parts correctly aligned.

C. When doing a repair,the correct sequence of assembly is important,which will make sure that all parts are correctly engaged.

A. Before drill the hole,make sure that the point of the drill head is sharp.

B. Prior to drill the hole,make sure that the point of the drill bit is sharp.

C. Before you make the hole,make sure that the point of the drill bit is sharp.

A. If you must apply a strike to open the unit,examine the control linkage.

B. If you must apply an unusual force to open the unit,examine the turnbuckle.

C. If you must apply an unusual force to open the unit,examine the control linkage.

A. The system is pneumatically operated and mechanically controlled.

B. Hydraulic power drives the system,while electricity is connected.

C. The system is hydraulically operated and electrically controlled.