A、 油屑监测器用于监控除油系统中黑色金属和有色金属屑的大小和质量。
B、 磁屑探测器用于探测排油系统中含铁和不含铁金属的尺寸和数量。
C、 油屑探测器用于检测回油系统中黑色金属和有色金属的尺寸和数量。
答案：C
A、 油屑监测器用于监控除油系统中黑色金属和有色金属屑的大小和质量。
B、 磁屑探测器用于探测排油系统中含铁和不含铁金属的尺寸和数量。
C、 油屑探测器用于检测回油系统中黑色金属和有色金属的尺寸和数量。
答案：C
A. 如果工作区域的油气含量比最低爆炸浓度高出5%,必须使用呼吸器。
B. 如果工作区域的油气浓度高于最低爆炸浓度的5%,必须使用防护服。
C. 如果工作区域的油气浓度比最低爆炸浓度高出5%,必须使用呼吸器。
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 displacing 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.
A. Flush the pipes with a disinfectant solution.
B. Flush the tubes with a detergent solvent.
C. Wash the ducts with a sealant solution.
A. The positive pressure relief valves are fail safe devices. If the aft outflow valve can＇t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. If one or more blades are broken, make an entry in the engine logbook
B. If one or more blades are in place, make an entry in the engine logbook
C. If one or more blades are absent, make an entry in the engine logbook
A. This term describes the multiple number when it is designed to as a whole.
B. This term describes the complete number when it is referred to as a whole.
C. When it is taken to a whole, the term describly the perfect number.
A. 如果大型插图水平放置,索引批注和标题最好是径向放置
B. 尽管大型插图水平放置,索引批注和标题最好是垂直放置
C. 因为大型插图横向放置,索引批注和标题最好是垂直放置
A. The format of the cruise capacity display is determined by the aircraft vendor.
B. The form of the climb performance display is decided by the aircraft manufacturer.
C. The format of the cruise performance presentation is at the discretion of the airplane manufacturer.
A. That portion of the system which uses magnetic gyroscopic and inertia forces. Includes items such as gyro horizons, directional gyros, magnetic compasses, and magnetic heading systems, turn and bank, amplifiers, servos, and flight director, etc.
B. That portion of the system which uses magnetic gyroscopic and inertia forces. Includes items such as gyro verticalizer, directional gyros, magnetic compasses, and magnetic heading systems, turn and bank, amplifiers, servos, and flight director, etc.
C. That portion of the system which uses magnetic gyroscopic and external forces. Includes items such as gyro horizons, directional gyros, magnetic compasses, and magnetic heading systems, turn and bank, amplifiers, servos, and flight director, etc.
A. Damage can occur if the hoses are wrongly installed.
B. If the hoses are incorrectly installed, damage may happen.
C. Damage can not occur if the hoses are incorrectly installed.
