Inspection of the lavatory rapid-decompression device.

A. A mixture of fuel and oxygen can cause an explosion.

B. Fuel and oxygen react with each other to cause explosion.

C. A mixture of fluid and oxygen can be set on fire.

A. 这种防腐剂在华氏109度时融化。

B. 这种密封胶在华氏109度时燃烧。

C. 这种混合物在华氏109度时气化。

A. Add a bracket if necessary.

B. Add a fastener if necessary.

C. Add a washer if necessary.

A. However, manufacturers may omit System/Chapters that are not applicable to the product or combine Systems/Chapters where it is feasible.

B. However, manufacturers may adopt Systems/Chapters that are not applicable to the product or constitute Systems/Chapters when necessary.

C. However, operators may omit Systems/Chapters applicable to the product or constitute Systems/Chapters where practical.

A. Remove unwanted support from sealant.

B. Wipe excess sealant from the lever.

C. Remove the unwanted sealant from the bracket.

A. Among the offices under the Associate Administrator is the Aircraft Certification Service, which has the responsibility for overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and ai

B. Aircraft Certification Directorate which is one of the offices under the Associate Administrator is responsible for overseeing the Aircraft Certification Service, and the Washington Headquarters operations related to design, production, and airworthiness

C. Overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and approval is the duty of Aircraft Certification Service that is among the offices under the Associate Administrator.

A. Each revision and the effective page should be logged in the logbook.

B. Only the effective revisions pages need to be recorded in the manual.

C. Each manual shall have a record of revisions or effective pages.

A. The cover title shall be "Pilot＇s Operating Handbook" or "Pilot＇s Operating Handbook and FAA Approved Airplane Flight Manual".

B. The topic cover shall be "Pilot＇s Controlling Manual" or "Pilot＇s Controlling Manual and FAA Accepted Airplane Flight Manual".

C. The page topic shall be "Pilot＇s Managing Handbook" or "Pilot＇s Managing Handbook and FAA Authorized Airplane Flight Manual".

A. 将温度计调到摄氏温标。

B. 将温度计校准到华氏温标。

C. 调整摄氏温标的温度计。

A. 显示器顶部和左侧角落的数字指向相关页面。

B. 显示器左上角的数字代表手册对应页码。

C. 显示器左上角的数字代表相关页面。