67. The longitudinal axis of the airplane is also called the roll axis, and movement of the ailerons rotates an airplane about its longitudinal axis

A. 安装或重新激活程序与拆除或失效程序相反的说法是不被接受的。

B. 安装或重新拆除程序与拆除或失效程序相反的说法是不具说服力的。

C. 安装或重新激活程序与拆除或失效程序相反的说法是被禁止的。

A. 当风速减小到30 节以下,可以打开货舱门。

B. 当风速达到30 节,仍然允许打开货舱门。

C. 当发动机转速减小到30 节以下,可以打开货舱门。

A. PRODUCE

B. GENERATE

C. SUPPLY

A. 在密封的零件表面涂抹磷酸酯基液压油。

B. 在接触封严的零件表面涂抹矿物液压油。

C. 在零件与封严相连接的地方涂抹液压油

A. 使用玻璃纸清洁表面

B. 使用树脂清洁表面

C. 使用聚酯纤维清洁表面

A. OEUs将主汇流条上的5V交流电转换成115V交流电以供给排呼叫灯和12v交流电的阅读灯。

B. OEUs将来自主汇流条的115V交流电转换成用于排呼叫灯的5V交流电和用于阅读灯的12v交流电。

C. OEUs将来自主汇流条的115V交流电转换成5V和12v的直流电,用于排呼叫灯和阅读灯。

A. The flow of the system can be traced as easily as possible through the arrangement of the diagram.

B. A reasonable distribution of the diagram helps to duplicate the flow of the system with least difficulties.

C. The diagram shall be arranged in order to draw a minimum flow of the system without effort.

A. The aviation gasoline is usually used for the turbine engine.

B. The aviation kerosene is usually used for the pistion engine.

C. The aviation kerosene is usually used for turbine engine.

A. In these conditions, removal of the squibs from the fire extinguisher bottle is appropriate.

B. It is dangerous to remove the cartridges from the fire extinguisher bottle except under these conditions.

C. In these conditions, it is dangerous to remove the cartridges from the fire extinguisher bottle.

A. Chlorine-containing cleaning agent can cause unit corrosion

B. Do not use bleach or cleansers to clean the unit

C. Bleach or cleansers can cause unit corrosion