2974.确保油箱里的燃油不超过 500 升。

A. 获取一桶燃油,并做一项含水量测试。

B. 取一份燃油样品,并进行一项水污染测试。

C. 获取一份燃油资料,并分析水含量。

A. This system is used to assist or avoid the formation of ice on masts and fairings.

B. This system is used to eliminate or prevent the formation of ice on antennas and radomes.

C. This system is used to get rid of or escape the formation of ice on probes and domes.

A. Ensure that the arrow points in the direction of fluid flow.

B. Make sure that the arrow points in the direction of the fuel flow.

C. Ensure that the arrow points in the direction of fluid supply.

A. Airspeed values shall be expressed in knots.

B. Airspeed values shall be expressed in nautical miles.

C. Airspeed values shall be expressed in lbs.

A. 测量跑道灯连接的电阻。

B. 校准跑道灯连接的电阻。

C. 复核跑道灯连接的电阻。

A. According to instrument error and compressibility effects,Outside Air Temperature is corrected.

B. Outside Air Temperature is set to avoid instrument error and compressibility effects.

C. Due to instrument error and compressibility effects,Outside Air Temperature is modified.

A. The generators supply a three-phase voltage.The frequency of this voltage increases when the generator rotor speed increases.

B. The rate of the three-phase voltage generated by the generator is proportional to the rotational speed of the generator rotor.

C. The frequency of the three-dimensional voltage produced by the generator is changed with the rotational speed of the generator rotor.

A. 飞机的内部装饰板包括检修盖板和填充板。

B. 蒙皮覆盖机身外表面,包括接近门和加强件。

C. 飞机的蒙皮包括舱门和倍增器。

A. Record the results if the frequency changes.

B. Alter the phase and record the results.

C. Change the frequency and record the results.

A. “力臂”是物体重心到基准面的水平距离。

B. “力臂”是物体重心到参考面的垂直距离。

C. “力矩”是物体中心到参考基准面的距离。