Braking system is used to decrease run-down time or stop propeller rotation during engine power-off conditions.

A. 如果飞机停在机坪上，确保轮子刹车在位。

B. 如果飞机停靠在廊桥，一定确保轮档在位。

C. 如果飞机停在斜坡上,确保轮挡在位。

A. Remove the magnesium drain plug from the hydraulic reservoir.

B. Replace the magnetic drain plug of the oil tank.

C. Remove the magnetic drain plug from the oil tank.

A. Indicating is that portion of the system which is used to indicate temperature, pressure, control positions, etc. of the air systems. Includes items such as transmitters, indicators, etc.

B. Indicators are systems used to display air temperature, pressure, control position, etc. It includes switches, thermometers and other components.

C. Indication system is used to indicate atmospheric temperature, pressure, control position, etc. It includes crossfeeding system, thermometer and other components.

A. The power is transmitted from the propeller to the engine.

B. The engine is used to transmit power to the propeller shaft.

C. The power is transmitted to the shaft by the engine cable.

A. 飞机结构件的面积、尺寸、站位、接近门以及物理位置由表、图和文本表示。

B. 飞机结构件的面积、尺寸、纵剖面、接近门以及物理位置由表、图和文本表示。

C. 飞机结构件的面积、尺寸、水位线、接近门以及物理位置由表、图和文本表示。

A. 对涡轮发动机来说，排气系统包括发动机本体以外的部件。

B. 对涡轮发动机来说，排气系统包括发动机主系统内的装置。

C. 对涡轮发动机来说，排气系统不包括发动机主系统以外的装置。

A. 当压气机机匣被冷却后，压气机叶片间距变小。

B. 当涡轮机匣被冷却后，涡轮叶尖距变小。

C. 当涡轮机匣被冷却后，涡轮叶片间距变小。

A. The location where a red mark is on the pin needs to be lubricated.

B. You should identify the red mark on the lubricant point.

C. The lubrication point shows that you can find marks on the pin.

A. 此区域所有人员必须佩戴防毒面具。

B. 该区域所有人员必须佩戴口罩。

C. 必须给该区域的所有人员配置防烟面罩。

A. Evaluate the impedance between the antenna baseplate and the airplane skin.

B. Record the measured resistance between the antenna baseplate and the airplane skin.

C. Perform the measurement of the resistance between the antenna baseplate and the airplane skin.