142.It is not permitted to install more than two washers for each bolt( )

A. 　留在部件上的溶剂可能导致腐蚀。

B. 　留在部件上的密封胶能够引起侵蚀。

C. 　部件表面的颗粒可能引起磨损。

A. 　用纸质分隔标签将活页文档中的每节、附录分隔开。

B. 　用铜板分隔标签将活页文档中的每节、附录分隔开。

C. 　用塑料分隔标签将活页文档中的每节、附录分隔开。

A. 　When the input of the NOT gate is logic one, the output should be logic one.

B. 　The output keeps constant as one no matter which logic the input is.

C. 　When the input of the NOT gate is logic one, the output should be logic zero.

A. 　拆下将发射器壳体紧固在发动机上的螺栓

B. 　拆下螺栓紧固的发动机壳体

C. 　拆下用螺栓紧固在发动机上的发射器壳体

A. 　Make sure that there is no less than 500 liters of fuel in the tank.

B. 　Ensure that the amount of fuel in the tank does not exceed 500 liters.

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

A. 　Make sure that the valve is operable.

B. 　Make sure that the valve can operate.

C. 　Ensure the valve can work.

A. 　Before you move the spoilers, tell all persons to get off the wings.

B. 　Before telling all persons to get off the wings, you move the ailerons.

C. 　Before you move the ailerons, tell all persons to get off the wings.

A. 　A maximum distance of 50 feet is required between consumable materials and the work area.

B. 　Keep flammable materials at a minimum distance of 50 feet from the work area.

C. 　Explosive materials must be kept at least 50 feet away from the work area.

A. 　除《联邦航空条例》第 36 部所要求的的信息外,手册制造商还应提供措辞强硬的建议。运营(人)应尽量减少飞机在机场或机场附近运行时的噪音影响

B. 　除《联邦航空条例》第 36 部所要求的的信息外,手册制造商应提供措辞强硬的建议。运营(商)应尽量减少飞机在机场或机场附近运行时的噪音影响

C. 　除了《联邦航空条例》第 36 部分要求的信息外,手册制作者还应提供措辞强硬的建议,供操作员使用,以尽量减少飞机在机场或机场附近运行期间的噪音影响。

A. 　如果数值(或者量)大于允许值(允许量),记录该数值(或者量)

B. 　如果数值(或者量)与允许值(允许量)一致,记录该数值(或者量)

C. 　如果数值(或者量)与允许值(允许量)有差别,记录该数值(或者量)