第四章测试1. Which of the following statements about airplane communication systems is true? A
A:It computes and displays the airplane’s movement with respect to the earth’s surface. B:It is used for speech communications and for data communications. C:It senses the environment, acceleration and angular rate, and radio inputs.
答案:B
2. Where is the communication system located?(多选) ABC
A:It is located in passenger cabin. B:It is located in the flight compartment. C:It is located in forward equipment center. 3.Which one is not the non-normal conditions that relate to fuel quantity ? （ ）
A:fuel imbalance a B:low fuel. C:Fuel particles D:fuel configuration 4.Which one is not a component of a basic hydraulic system?（ ）
A:a filter B:pumps C:a brake D:reservoir 5.
What does Yaw Damper System mean in Chinese?
A:维修管理系统 B:自动驾驶系统 C:自动驾驶 D:偏航阻尼器系统
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