A、 The primary function of the power unit is to supply electrical power.
B、 The main purpose of the power plant is to provide electricity.
C、 To serve for electrical supply is the only function of the power unit.
答案：A
A、 The primary function of the power unit is to supply electrical power.
B、 The main purpose of the power plant is to provide electricity.
C、 To serve for electrical supply is the only function of the power unit.
答案：A
A. Maintenance should be accomplished preventively in accordance with the airplane service or maintenance manual.
B. Appropriate airplane service or maintenance manual shall be developed for the accomplishment of preventive maintenance.
C. Preventive maintenance should be accomplished in accordance with the appropriate airplane service or maintenance manual.
A. Follow the safety instructions.
B. Require the safety instructions.
C. Obey the safety instructions.
A. You had better not to weld engine components when the engine is installed on the airframe.
B. You＇re not allowed to operate engine components when the engine is installed on the airframe.
C. You had-better not to weld engine components when the engine is running.
A. 确保夹钳的位置与您在拆卸过程中记录的位置一致
B. 确保夹钳的位置与您在拆卸过程中的位置齐平
C. 确保夹钳的方向与您在拆卸过程中的方向一致
A. Assemble the rotor according to the following program
B. Disassemble the rotor according to the following program
C. Disassemble the rotor in this sequence
A. Another important function of lubricating oil is to protect the corroded metal surfaces.
B. Another important task of the oil is to protect the metal surfaces from corrosion.
C. Preventing the metal surface from further corrosion is the other essential function of the lube.
A. AD describes corrective action, e g inspection, repair or maintenance, which may be listed by AD or included in another document, E,G manufacturer＇s Service Bulletin that acts as reference in the AD.
B. The corrective action prescribed by the AD, such as an inspection, repair, or modification, may be detailed in the AD itself or may be contained in another document, such as manufacturer＇s Service Bulletin, which is referenced in the AD.
C. AD details the requirements for inspection, repair or modification described in corrective action, or it may be contained in another document, such as Service Bulletin referenced in AD.
A. The checklist should include abundant items which are helpful to the pilot inan emergency.
B. The checklist should include the fewest items which must be critical to help the pilotin an emergency.
C. The checklist should have all items that are determined useful by the pilot inan emergency.
A. Make sure that you do not get the cable.
B. Make sure that theres no trapped cable.
C. Make sure that the wire bundle is not twisted.
A. Turn the cap counterclockwise.
B. Turn the cap clockwise.
C. Rotate the cap clockwise.
