2515.替代燃油和经批准的添加剂

A. When described the aircraft and its system,you should always use third people talking.

B. Generally,in describing the airplane or its system,third person wording should be used.

C. When you describing the airplane systems,third person mood shall be used.

A. Release the hydraulic pressure in the accumulator.

B. Release the power pressure in the accumulator.

C. Release the hydraulic pressure in the actuator.

A. 如果滑油渗漏超过 5 滴,每分钟检测密封胶。

B. 如果滑油渗漏超过每分钟 5 滴,检查密封胶。

C. 如果燃油渗漏超过每分钟 5 滴,更换密封胶。

A. A hydraulic pump operates the motor.

B. A fuel pump operates the motor.

C. A hydraulic motor operates the pump.

A. 检查密封件是否有缺陷。

B. 检查封胶是否有缺损。

C. 检查封严是否有缺失。

A. Turn the cap counterclockwise.

B. Turn the cap clockwise.

C. Rotate the cap clockwise.

A. Sentence forms shall be simple and direct ,omitting discussions of theory except where essential for practical understanding and application.

B. The sentence form should be easy and direct,avoiding discussion of theory except when practical understanding and application are necessary.

C. The form of a sentence should be simple and direct,and the discussion of theory should be omitted in addition to practical understanding and application.

A. Keep all the parts that are serviceable and discard those that are broken.

B. Retain the parts that are functional and discard those that are of poor condition.

C. Keep all the parts that are operational and drop those that are contaminated.

A. Discard the removed fasteners.

B. Throw away the removed components.

C. Leave out the removed gaskets.

A. Loosen the cross nuts [10] on reducer [7] and standby valve [8] on each end of air pressure filter assembly [1].

B. Loosen the swivel nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].

C. Loosen the cotter nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].