A、 The actuator receives a hydraulically controlled mechanical command from FCC who sends an electrical commands and the aileron and the elevator power control units(PCU) will carry out this command.
B、 FCC sends an electrical order to autopilot actuator.The actuator converts it to a hydraulically controlled mechanical command.The aileron and the elevator power control units(PCU) will carry out this command."
C、 FCC sends an electrical commands to autopilot actuator.The actuator receive it to a hydraulically controlled unit .The aileron and the elevator power control units(PCU) will carry out this command from hydraulically controlled unit.
答案:B
A、 The actuator receives a hydraulically controlled mechanical command from FCC who sends an electrical commands and the aileron and the elevator power control units(PCU) will carry out this command.
B、 FCC sends an electrical order to autopilot actuator.The actuator converts it to a hydraulically controlled mechanical command.The aileron and the elevator power control units(PCU) will carry out this command."
C、 FCC sends an electrical commands to autopilot actuator.The actuator receive it to a hydraulically controlled unit .The aileron and the elevator power control units(PCU) will carry out this command from hydraulically controlled unit.
答案:B
A. “基准面”是一个假想的垂直面。以基准面为准来测量用于计算平衡的水平距离。
B. “基准面”上有一架假设的垂直平面,出于平衡考虑,所有的力矩距离都是从它开始测量。
C. “基准面”是一个假想的垂直平面,所有的横向距离都是从它开始测量的,以达到平衡的目的。
D. C.“基准面”是一个假想的垂直平面,所有的横向距离都是从它开始测量的,以达到平衡的目的。
A. 用真空清洁器和刷子清洁设备的内部及其底座。
B. 用真空清洁器和刷子清洁设备的外表面以及安装架。
C. 真空清洁设备及硬件设施的表面涂层。
A. Solenoid switches shall indicate whether the valve is solenoid-loaded to the open or closed positon.
B. Electromagnetic valves shall include a marking indicating whether the valve is coil-loaded to the open or closed positon.
C. Solenoid valves shall include a notation indicating whether the valve is spring-loaded to the open or closed positon.
A. 这部分系统被用来控制空气中的湿度,控制臭氧含量,从空调空气中去除放射性污染物,并对空气应用除氧剂、净化器等。
B. 系统的这个部分被用于控制空气中的颗粒,控制区域聚集度,过滤空调空气中活跃的无线电波,并在合适的时候对空气用除氧剂和杀虫剂等处理。
C. 系统的这部分被用于控制空气中的水分,控制臭氧浓度,过滤空调空气中的放射性碎屑,并在适用时使用除臭剂、杀虫剂等处理空气。
A. Remove the 3 screws from the flap of the motor assembly.
B. Remove the 3 nuts from the flange of the motor assembly.
C. Remove the 3 screws from the flange of the motor assembly.
A. 这些安全预防措施是在维修区工作的最低要求。
B. 这些安全警告满足维修区工作的全部要求。
C. 这些安全提示有必要做为维修区工作要求。
A. Use a solution of foam and water to clean.
B. Clean with bleach and water.
C. Clean with a solution of soap and water.
A. 这个子系统/节有故障,航空公司不能使用。
B. 这个子系统/节预留给航空公司使用。
C. 这个子系统/部分仅航空公司适用。
A. 描述飞机发动机时,应对冷却( 散热)系统进行描述,包括整流罩盖板。
B. 描述飞机发动机时,应描述冷却( 散热)系统相关的信息,包括通风外壳。
C. 描述飞机发动机时,应描述空调系统相关的信息,包括通风罩板。
A. Filling with oxygen is not permitted during defueling and refueling.
B. Servicing with oxygen is not allowed during refueling and defueling.
C. Servicing with oxygen is not prohibited during fueling and defueling.