2689. Install the sealing ring in the groove of the spherical bearing

A. Always remember that the main subject of STE is for readers to hardly grasp each sentence they read.

B. Always remember that the major function of STE is to let readers comprehend every sentence they read barely.

C. Always remember that the primary objective of STE is that readers immediately understand each sentence that they read.

A. The operational test of HFS-900D transceivers is internal functions check of the HF transceiver and it is a BITE test.

B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.

C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.

A. While you do the valve test, ensure that there is no contamination.

B. While you do each step of the valve test, ensure that there is no blockage.

C. While you do each step of the valve test, make sure that there is no leakage.

A. If it is possible that the temperature values will be not less than the permitted limits, decrease the power, then the application of sealant must be carried out with a wooden spatula.

B. If it appears that the temperature limits will be exceeded, decrease the power, then the application of sealant must be carried out with a wooden spatula.

C. If it appears that the temperature limits will be decreased, increase the power, then the application of sealant must be carried out with a wooden spatula.

A. 这个手册需要花费两个小时读完。

B. 做这个程序需要两个小时。

C. 两个小时必须完成这个程序。

A. 通常,当在章节末尾或出版物的后部增加页面不影响手册中的页面时-必须准备修订版。

B. 通常,当在章节一端或出版物的背面增加页面不影响手册中的页面时-必须随时准备修订版。

C. 通常,当在章节末尾或出版物的背面增加页面-不影响手册中已经存在的页面时-应随时准备修订版。

A. In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.

B. Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.

C. Set probe heater switches on the overhead panel in cockpit in AUTO position so that all the heater lights come into view.

A. 如果手册上有危险压力的警告,不要打开容器。

B. 如果手册上有危险压力的指示,不要打开容器。

C. 如果手册上有危险压力的标志,不要打开容器。

A. 确保没有渗漏

B. 确保没有裂纹

C. 确保没有腐蚀

A. According to the authority given to persons specified below, the unit recognized in item 3 was inspected in the manner stipulated by authority and is approved.

B. Based on the authority given to the following stated persons, the unit described in item 3 was inspected in the authority defined manner and gets approved.

C. Thanks to the authority given to persons as below, the unit found in item 3 was inspected in the manner stipulated by authority which is approved.