1251. Saturate the element for two hours

A. Make sure that the quality of fuel in the reservoir is not more than 500 liters.

B. Make sure that the quantity of fuel in the tank is not more than 500 liters.

C. Make sure that the quality of oil in the tank is not more than 500 liters.

A. The oxide coating on the surface of aluminium alloy parts can be formed by physical means.

B. The oxide coating on the surface of aluminium alloy parts acts the function of corrosion protection.

C. The aluminium alloy can protect the oxide coating from corrosion.

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. Get access to the control unit through the opening in the outside of the tank.

B. Get access to the control unit through the aperture in the side of the tank.

C. Get access to the control unit through the opening in the side of the tank.

A. 正常俯仰控制法则基本上是负载系数的闭环控制,包括飞行发展保护。

B. 正常俯仰控制法基本上是负载厂家的闭环控制,包括飞行包线保护。

C. 正常俯仰控制法则基本上是负载系数的闭环控制,包括飞行包线保护。

A. 从地面到翼底部的高度可以改变;

B. 从翼的底部到顶部的高度可以改变;

C. 从地面到翼顶部的高度可以改变;

A. 力矩乘以常数用于减少位数,从而简化平衡计算。

B. 力矩除以常数用于减少位数,从而优化平衡化简。

C. 力矩除以常数用于减少位数,从而简化平衡计算。

A. 正常程序检查单应简明扼要,旨在提醒飞行员检査项目,而不提供任何系统操作的细节。

B. 正常程序检査单应简单明了,旨在提醒飞行员检查是否己提供所有系统操作细节的项目。

C. 正常程序检查单应简明扼要,旨在提醒飞行员检查项目,是否己提供所有系统操作的细节。

A. 检查扰流板、缝翼的前缘区域有无冰、雪和霜。

B. 检查扰流板、襟翼的前缘区域有无冰、雪和霜。

C. 检查扰流板、副翼的前缘区域有无冰、雪和霜。

A. 在盖板表面施加重力,以确保部件正确排接

B. 在面板表面放置重物,以确保部件正确连接

C. 在补片表面施加重量,以确保部件正确粘合