In an emergency, obey the cabin crew without question.

A. 确保气流不低于10升/分钟。

B. 确保空气流量为10升/分钟。

C. 确保气流不超过10升/分钟。

A. Use the marks on the bellcrank and shaft to identify them and prevent incorrect installation.

B. Mark the bellcrank and shaft so that they＇ll be identified and incorrect installation will not occur.

C. Put marks on the bellcrank and shaft or incorrect installation will occur.

A. Remove the test cap between the Precooler Control Valve and the 3908 sensor on the control pressure sense line and ensure that there is air flowing out of the port.

B. From precooler control valve to 3908 sensor, remove the sense line test cap, make certain that the air flows from the test hub.

C. The purpose of the test cap removal from the Precooler Control Valve to the 3908 sensor is to guarantee that there is airflow at the test port.

A. Describe briefly the method of operation.

B. A brief demonstration of how to do this.

C. Operation method shall be briefly presented.

A. Smooth the cargo-compartment door levers.

B. Polish the cargo-compartment door wheels.

C. Lubricate the cargo-compartment door handles.

A. Apply weight on the surface of the patch to make sure that the parts bond correctly.

B. The parts can be aligned properly by applying force on the surface of the patch.

C. In order to correctly attach the parts, the patch surface should be compressed.

A. If the rush air turbine has been extracted.

B. If the Ram Air Turbine (RAT) is retracted.

C. If the pushed air turbin has been extended.

A. 如果转子突然停止，请检查进气中是否含有不需要的杂质。

B. 如果转子突然停止转动，检查进气道是否存有外来物。

C. 如果转子突然停止，请检查进气口是否有需要的杂物。

A. The oil supply element and the three magnetic particle testing detectors are in the lubrication unit.

B. The oil supply filter and the three chip detectors are in the lubrication unit.

C. Position the oil supply filter assembly and the three magnetic chip detectors in the lubrication unit.

A. To make sure that ATC transceivers are in standby mode, you must simulate altitude, otherwise false TCAS signals may occur intermittently.

B. Make sure the ATC transmitters are in standby mode, or false TCAS targets may occur accidentally due to altitude simulation.

C. Make sure that the ATC transponders are in standby mode when you simulate altitude. You can accidentally cause false TCAS targets.