A、 Only the certified personnel can complete the modification or repair to the aircraft.
B、 Pay attention that inspections or maintenance work ought to be carried out by mechanics.
C、 Modifications or repairs to aircraft should be achieved by releasing staff.
答案：A
A、 Only the certified personnel can complete the modification or repair to the aircraft.
B、 Pay attention that inspections or maintenance work ought to be carried out by mechanics.
C、 Modifications or repairs to aircraft should be achieved by releasing staff.
答案：A
A. The associated warning light should illuminate after 30 seconds.
B. The associated caution light should deactivate after a duration of 30 seconds.
C. The caution light, regardless of its position, should turn off within 30 seconds.
A. Each revision and the effective page should be logged in the logbook.
B. Only the effective revisions pages need to be recorded in the manual.
C. Each manual shall have a record of revisions or effective pages.
解析：这道题考察的是手册的修订记录。正确答案是C，即每本手册都应该有修订记录或有效页面记录。这是非常重要的，因为当手册需要更新或修订时，我们需要知道哪些部分是最新的，哪些部分已经过时。这样可以确保我们使用的是最新的信息，避免出现错误。
举个例子来帮助理解，就好像你的手机操作手册一样。如果手机操作手册没有记录每次的更新或修订，你可能会被一些过时的信息误导，导致操作错误或者无法正常使用手机。所以，手册上的修订记录就像是手机操作系统的更新日志，帮助你了解手机的最新功能和操作方法。这样一来，你就能更好地使用手机，避免出现问题。
A. Incorrect adjustment of the stops will lead to accurate test results.
B. In precision, test results cannot occur unless the stops are adjusted properly.
C. If the stops are not adjusted Incorrectly, the test results will not be precise.
A. The compressing of the spring can cause the valve to open.
B. There is no change of the valve when the spring compresses.
C. After compressing of the spring, the valve goes to closed position.
A. Check all parts with clear defects in accordance with standard industry practices.
B. Check all parts for visible defects in accordance with standard industry practices.
C. Check all parts for serious defects in accordance with standard industry practices.
A. Please stand near the moving surfaces.
B. Never stay near the removed surfaces.
C. Do not stay near the moving surfaces.
A. The troubleshooting section includes Description and Operations.
B. Contents of Troubleshooting section should be prepared under "Description" and "Operations".
C. Material of Description and Operation is the critical contents to troubleshooting section.
A. As necessary, use the applicable SAFETY BARRIERS, classified by the operator＇s instructions and your local regulations. These communications are subjected to atmospheric interference and difficult to understand.
B. Use the applicable SAFETY BARRIERS, specified by the operator＇s instructions and your local regulations if necessary. These communications are affected by the atmosphere and difficult to understand.
C. Use the applicable SAFETY BARRIERS, classified by the operator＇s instructions and your local regulations if necessary. These communications are subjected to atmospheric interference and difficult to understand.
A. The operational test of HFS-900D transceivers is an 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. Use the tube if it＇s worked into 3.3 feet long.
B. Use a tube whose length is 3.3 feet.
C. The tube which is used is 3.3 feet length.
