174. Inspection is accomplished with the ground without the use of stand and ladder

A. Extend the nose landing gear.

B. Extend the main landing gear.

C. Retract the main landing gear.

A. 用干净的棉布浸湿水后清除除污剂。

B. 用清水浸湿并清洗带有洗涤剂的干净棉布。

C. 用干净的棉布清除污渍,再用清水洗涤。

A. That portion of the system and its controls which supply heated air to the cabin. Includes items such as cooler units, oil system and control, ignition, indicating systems related to heater operation, etc., as applicable. Does not include the temperature control and indicating systems

B. That portion of the system and its controls which supply heated air to the cabin. Includes items such as heater units, fuel system and control, ignition, indicating systems related to heater operation, etc., as applicable. Does not include the temperature control and indicating systems

C. That portion of the system and its controls which supply cooling air to the cabin. Includes items such as heater units, fuel system and control, ignition, indicating systems related to heater operation, etc., as applicable. Does not include the hot control and indicating systems.

A. 对加载条件和安全裕度共同产生的结果进行了评价

B. 对加载条件和安全裕度产生的结果进行了评价

C. 对加载条件和由此产生的安全裕度进行了评价

A. When an airplane is designed to fly at lower speeds, the turboprop is usually the engine choose.

B. When an airplane is designed to fly at lower speeds, the turboprop is usually the engine chosen.

C. When an airplane is designed to fly at lower speeds, the piston propeller engine is usually chosen

A. 首先尝试安装有最短的螺纹区域的转接头

B. 首先尝试安装带有最短螺纹的芯轴

C. 首先尝试在最窄的区域内安装接头

A. 在这些条件下,机械和电子螺距修剪系统将无法工作。

B. 在这些状况下,机构和电气横滚调整系统将不能运转。

C. 在这些情况下,机械和电气俯仰配平系统将不能工作。

A. Hydraulic pressure byasses the valve and drives the hydraulic motor;

B. Hydraulic pressure overrides the valve and drives the hydraulic motor;

C. Hydraulic pressure passes the valve and drives the hydro-motor;

A. If the hydraulic pump turns to generate pressure of 3000 psi, use the electric pump.

B. If the hydraulic pump fails to generate pressure of 3000 psi, use the electric pump.

C. If the hydraulic pump turns to supply pressure of 3000 psi, use the electric pump.

A. 燃油在燃烧室内燃烧

B. 燃油通过喷嘴进入雾化器

C. 燃油通过雾化器进入燃烧