Adjust the clinometer until the bubble is in the center.

A. Section 1 of the Pilot＇s Operating Handbook shall introduce basic data and information of general interest to the pilot. The data and information is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

B. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The general interest is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

C. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The pilot is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

A. The testing machine will run the tests in manual mode.

B. The test set will automatically run the tests.

C. The test apparatus will give the test parameter automatically.

A. 确保流经管路的液体没有气泡。

B. 确保管路渗漏出的油液没有气泡。

C. 确保液压油通过管路，且没有产生气泡。

A. CAP是对《飞机维护手册》（或《持续适航文件》）的补充，该手册是包含飞机持续适航程序的主要文件。

B. 《飞机维护手册》（或《持续适航文件》）是针对飞机持续适航的主要文件，而CAP属于补充性文件。

C. CAP是对《飞机维护手册》（或持续适航文件》）的补充，是包含飞机持续适航程序的主要文件。

A. 把损伤的零件放在干净的地方。

B. 把拆下的零件放在隔离的表面上。

C. 将拆下的零件放在干净的表面上。

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. Adjust the tension in the wires to the correct value.

B. Adjust the tension in the cables to the correct value.

C. Adjust the torque in the cables to the correct value.

A. An alphanumeric identifier is an assembly of characters and numbers. It can recognize something.

B. An symbolic-numeric identifier is an assembly of symbols and numbers. It can identifies something.

C. An alphanumeric identifier is a combination of letters and numbers that identifies something.

A. When installing the distributor, refrain from changing the timing.

B. Ensure that you do not adjust the timing to install the distributor.

C. Do not move the timing when you install the distributor.

A. If possible, do an engine ground run to make sure that you get the same indications.

B. If possible, run the engine on the ground to confirm that you get similar indications.

C. In order to verify the instructions, engine run-up should be possibly conducted on the ground.