A.captain
B.chief engineer
C.chief officer
D.chief motorman
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A.Constant inspection
B.Keeping constant load
C.Remaining constant temperature
D.Varying speed
A.It consumes no excitation power
B.It has current transformers
C.Components are needed for accurate compounding
D.Its excitation system is vulnerable to voltage variations
A.when
B.so as
C.such that
D.though
A.overload condition of 5 % will trip the motor off the line immediately
B.overload condition will be indicated visually in the machinery space
C.motor running indicator will begin to flash "on" and "off" in response to the sustained overload condition
D.standby steering pump will start automatically and come on the line
A.secure the electric supply
B.ventilate area to remove smoke
C.start the fire pump and lead out hose
D.apply foam
最新試題
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Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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