To prevent the spread of fire by conduction, you should （）.
A、cool the bulkheads around the fire
B、remove combustibles from direct exposure
C、close all openings to the area
D、shut off all electric power
A fire is considered "under control" when （）.
A、all hands are at their fire stations
B、all fire-fighting equipment is at the scene
C、the fixed systems are activated
D、the fire is contained and no longer spreading
If two AC generators are to be operated in parallel, the load is distributed evenly by（）
A、means of rheostat the governor settings
B、a balance coil excitation
C、adjusting the governor settings
D、changing excitation
The Company should ensure that the master is fully （） with the Companys SMS.
A、familiar
B、understand
C、conversation
D、confused
An ohmmeter can be used to measure（）
A、current flow in a circuit
B、voltage between two points in a circuit
C、circuit continuity
D、power
The piston crown employs the usual jet-shaker principle with an arrangement of cooling bores in the crown so that the surface temperatures of the crown are moderate with a very even distribution（）
A、water cooling
B、oil cooling
C、air cooling
D、combined cooling
