A、 At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.
B、 Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.
C、 Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.
答案：A
A、 At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.
B、 Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.
C、 Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.
答案：A
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. Values in the limited range should not include parameters or variables not mentioned in the manual.
B. The specification of a given range of values in the manual excludes parameters and variables.
C. The range of values should not exceed the parameters or variables given in the manual.
A. This is the maximum portion of flammable vapors in air. If the portion is bigger, when an ignition source touched the gas, it would cause the fire to be diffused.
B. This is the minimum volume of flammable vapors. If the volume is lower, when the gas contacted with an ignition source, the fire would not come out.
C. This is the minimum density of flammable vapors in air. If the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.
A. Before restarting the engine, make sure to clear the ground from any fuel spills.
B. Remove all spilled fuel from the ground before making the first attempt to start the engine.
C. Ensure that no fuel on the ground is eliminated before proceeding with engine startup.
A. The supplements of CAP are the airplane＇s maintenance manual (or Instructions for Continuing Airworthiness). The CAP is the primary document containing the aircraft＇s continuous airworthiness procedures.
B. The airplane＇s maintenance manual (or Instructions for Continuing Airworthiness) serves as the main document that contains the procedures to ensure the continuing airworthiness of the airplane. CAP is a supplementation to the manual.
C. CAP supplements the airplane＇s maintenance manual (or Instructions for Continuing Airworthiness). The supplements are the major document and involve in the procedures for the continuing airworthiness of the airplane.
A. By using the basic provisions of FAR 21.50, revisions become consistent with the format of the specification.
B. FAR 21.50 provisions are the basic to the revisions which are consistent with the format of the specification.
C. To make revisions consistent with the format of the specification, the provisions of FAR 21.50 should be adopted as a basis.
A. Code is useless to identify the cables.
B. Put a code on the cables to identify them.
C. A tag should be attached to the cables.
A. Use white paper with good strength characteristics and enough weight and substance to eliminate excessive print leakage when printing on both sides.
B. Use good white paper with high strength quality and of adequate weight to delete excessive show-through when printed on both sides.
C. Use white paper with good strength and of sufficient weight and substance to prevent overmuch ink show-through the paper when printed on both sides.
A. When you restore the airplane to its normal condition, make sure the pin is released from the release mechanism.
B. Ensure to remove the pin from the let-go mechanism after you return from the airplane to its common position.
C. When the airplane is in good condition, you must uninstall the pin of the release mechanism.
A. Procedures for handling malfunctions or other abnormalities that are not emergent, or potentially emergent may be delayed in this section.
B. This Section may cover procedures for handling malfunctions or other deviations that are not of emergency nature, or involve a potential emergency that may be handled later.
C. This Section may cover procedures for handling malfunctions or other deviations that are not emergent, or involve a potential emergency that may be deterred.
