If none of the brackets are damaged, continue the procedure.

A. If the drain hole is blocked, clean it.

B. If the drain hole is leaked, clean it.

C. If the drain hole is locked, clean it.

A. Using the wet wing concept, all fuel is stored in three tanks. These three tanks include main tank 1, main tank 2 and center tank. Center tanks are made up of the main wing structure.

B. Using the wet wing concept, all fuel is stored in three tanks. These three tanks include main tank 1, main tank 2 and center tank. These three tanks are made up of the main wing structure.

C. Using the wet wing concept, all fuel is stored in three tanks. These three tanks include main tank 1, main tank 2 and center tank. The primary wing structure consists of main tank 2 and center tank.

A. The data of the revision shall be shown on each printed page.

B. The date of the revision shall be shown on each revised page.

C. The time of the reserve shall be shown on each revised page.

A. The localizer beam is aligned with the centerline of the runway.

B. The localizer way is misaligned with the centerline of the runway.

C. The localizer course is aligned with the centerline of the runway.

A. If you must apply a strike to open the unit, examine the control linkage.

B. If you must apply an unusual force to open the unit, examine the turnbuckle.

C. If you must apply an unusual force to open the unit, examine the control linkage.

A. Set the "ATT" knob to the local attitude.

B. Set the "ALT" knob to the local altitude.

C. Set the "LAT" knob to the local latitude.

A. 使复合材料变干燥。

B. 发出脱水的指令。

C. 使化合物变干。

A. The cleaning/painting section should provide information concerning the material and program needed to clean and paint an area or areas, except for containing safety precautions needed to protect people and material.

B. The cleaning / paint section shall provide information unrelated to the material and procedure required to clean and paint one or more areas, and include the safety precautions required to protect personnel and material.

C. The cleaning/painting portion shall provide information as to material and procedure necessary to clean and paint an area or areas, and contain safety precautions necessary to protect personnel and material.

A. When wheel is dried, clean with the compressed air.

B. When wheel is cleaned, dry with the compressed air.

C. When wheel is cleaned, dry with the impressed air.

A. For normal operations, make sure the pressure relief valve is closed. An open pressure relief valve is a symptom of a problem in the fuel vent system.

B. For normal operations, make sure the shutoff relief valve works. If you open pressure relief valve, that indicates a problem in the fuel vent system.

C. For normal operations, make sure you close the pressure relief valve. If you leave it open, a problem will be shown in the fuel vent system.