A、 The gearbox is installed behind the pneumatic motor.
B、 The pump is installed behind the hydraulic motor.
C、 The pump is installed behind the pneumatic turbine.
答案：B
A、 The gearbox is installed behind the pneumatic motor.
B、 The pump is installed behind the hydraulic motor.
C、 The pump is installed behind the pneumatic turbine.
答案：B
A. 包括磁电机、升压线圈、励磁机、变压器、存储电容器和合成器等。
B. 包括磁电机、分配器、升压线圈、励磁机、变压器、存储电容器和合成器等。
C. 包括磁电机、分配器、增压线圈、激励器、变压器、存储电容和合成器等。
A. 自动驾驶仪使用无线电波、垂直陀螺仪、皮托静压系统以及手动输入来自动控制飞机的偏航、俯仰和滚转。
B. 自动驾驶仪使用无线电波、垂直加速度计、皮托静压系统以及手动输入来自动控制飞机的偏航、俯仰和滚转。
C. 自动驾驶仪使用无线电波、垂直加速度计、皮托管以及手动输入来自动控制飞机的偏航、俯仰和滚转。
A. 使用符号代表电磁活门，显示该活门是否是弹簧加载到开位或关位。
B. 应针对电磁活门标明注意事项，说明该活门应该弹簧加载到开位还是关位。
C. 电磁活门应标有符号，表明该活门是弹簧加载到开位还是关位。
A. This method is used widely in plotting vectors for navigation problems on a chart.
B. Plotting factors for navigation problems on a chart is a widely used method.
C. Drawing factors for navigation problems on a chart is a widely used method.
A. 在维护和修理期间支撑飞机所需的说明，包括支撑材料和设备、外形尺寸、支撑位置等信息。
B. 这些必要的说明是支撑飞机维修和修理期间使用的，包括顶升材料和设备，大概尺寸，顶升位置等信息。
C. 在维护和修理期间支撑飞机所需的文件，包括支撑材料和设备、大概尺寸、支撑位置等信息。
A. 手册可能是活页形式，与持久的，多环封面，或显著黏附的。
B. 手册可以是活页形式，耐用，多环盖，或临时装订。
C. 手册可以是有耐用多环封面的活页形式，或永久装订。
A. Propeller governor is a device that adjusts the speed of the engine or propeller by increasing or decreasing the clearance of the propeller through the clearance changing mechanism on the propeller hub.
B. Propeller governor is the device that regulates the rpm of the engine or propeller by increasing or decreasing the propeller pitch, through a pitch change mechanism in the propeller hub.
C. Propeller governor is through the propeller hub of the propeller pitch changing machine, adjusts the speed of the propeller or engine by increasing or decreasing the propeller gap.
A. These must be shown on the wiring diagram under some specific conditions and wires are colour coded.
B. Wires are coded in color in certain condition and these should be marked on the wiring diagram.
C. In some cases, wires are color coded and these should be indicated on the wiring diagram.
A. Use protective goggles when you do work on fire extinguishers.
B. Ensure that you wear protective clothes while performing tasks on fire extinguishers.
C. Use protective gloves when working on fire extinguishers
A. The operator may use any format containing the same information.
B. The operator may use an equivalent form containing the same information.
C. The operator may use a diagram containing the same information.
