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
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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 bore of a diesel engine cylinder describes the （）
A、swept volume of the cylinder
B、inside diameter of the cylinder
C、piston displacement in the cylinder
D、length of the piston stroke
When start a screw pump, the by pass valve should be （）.
A、closed
B、opened fully
C、cracked open
D、partly open
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
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
In the voyage, duty officer should inform （） situation to the duty engineer immediately.
A、in/ut port
B、passing through big bridge
C、big steering angle for direction changing
D、in/out port and passing through big bridge
