1466.The two most common types of engines used in helicopters are the reciprocating engine and the turbine engine.

A. Some aircraft parts are combined materials.

B. Some airplane structures are composite materials.

C. Some aircraft structures are compound materials.

A. 编写本 CAP 旨在扩大现有的检查要求,以进一步保证飞机在初始认证范围内的性能。

B. 本 CAP 准备延伸目前的检查要求,以更远地保证飞机在初始认证极限内的性能能力。

C. 准备本 CAP 的要求是想要加强现有的检查,作为飞机在原认证范围内执行能力的更好保证。

A. The factory's policy of providing consulting remains unchanged.

B. The factory has been maintaining technical and component support within the policy scope.

C. The factory's policy on providing technical and component support has changed from the past.

A. An alphanumeric identifier is an assembly of characters and numbers.It can recognize something.

B. An symbolic-numeric identifier is an assembly of symbols and numbers.It can identifies something.

C. An alphanumeric identifier is a combination of letters and numbers that identifies something.

A. The power plant uses an air vent or propeller to produce power.

B. The power plant develops thrust either through the exhaust or through a propeller.

C. The power plant generates propulsion with the aid of the exhaust or a propeller.

A. Every model has this function.

B. This function is applicable to all models.

C. Not all models have this function.

A. 检查部件的接合处及邻近区域。

B. 检查部件的表面以及相关区域。

C. 检查部件的内部以及相邻区域。

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.

A. 对现有分析进行了审查,以确定可能表现出较低安全裕度的部件和区域。

B. 对现有分析进行复核,对部件和区域进行标识,以显示出较低安全裕度。

C. 对于安全裕度较低的部件和区域进行标识并进行了现场分析审查。

A. 如果重量或力臂的差异不重要,则整体装置的所有部件可组合成一个设备清单项。

B. 当构成某组件的各零件的重量或相对于重心的力臂并不显著时,可在清单中将所有零件作为一个设备项列出。

C. 如果重量或力臂的变化不显著,则所有安装的部件可组合成一个设备清单项。