3056. Make sure that the arrow on the check valve points away from the ground supply duct

A. Read SB and understand the requirements after maintenance.

B. SB should be read and requirements should be known prior to maintenance.

C. Read SB and understand the requirements during maintenance.

A. If you do not obey this precaution injury to your skin and lungs can occur.

B. If will damage to your skin and liver unless you follow the cautions.

C. If you understand the instructions, your body will not be hurt.

A. Flaperon plays the role of both ailerons and spoiler On some swept wing airplanes.

B. On some swept wing airplanes, Flaperon functions both ailerons and flaps.

C. Flaperon is aircraft controls used on some swept wing airplanes that serve as both elevator and wing flaps.

A. You must inspect the check valve to make certain that the spring holds the check valve open a short distance before installing the duct and check valve assembly.

B. Before you installing the duct and check valve assembly, you must check the check valve to make sure the spring holds the check valve open a short distance.

C. You must exam the check valve to ensure the spring holding the check valve open a short distance before mount the duct and check valve assembly.

A. 在焊接过程中,使用保护罩。

B. 在软焊程序过程中,使用防护罩。

C. 在焊接过程中,穿戴防护服。

A. Tighten the nuts but do not torque them at this time.

B. Screw the nuts but do not torque them at this time.

C. Tighten the nuts but do not screw them at this time.

A. 滑油必须要分析。

B. 对滑油进行分析。

C. 已经分析了滑油。

A. 1号和2号发电机为其对应的机翼供电。

B. 1号和2号发动机为其对应的机翼提供热空气。

C. 1号和2号发动机为相关的机翼释放热空气。

A. Briefly described and explain principle of operation of any new kinds of flight instruments.

B. The working principles of various new flight gauges are easily introduced and expressed.

C. The new types of flight facilities should be described and explained shortly.

A. 发动机中空气和燃油混合并燃烧的部分。包括项目,如火焰筒,壳体等。

B. 发动机中空气和燃油混合并在火焰筒和壳体内燃烧。

C. 发动机中空气和燃油混合并燃烧的部分。包括火焰筒,壳体。