單項(xiàng)選擇題In the engine department, the () is looked upon to provide the leadership that is needed.

A.captain
B.chief engineer
C.chief officer
D.chief motorman


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1.單項(xiàng)選擇題() is a precaution which contributes to avoiding trouble under normal operating conditions.

A.Constant inspection
B.Keeping constant load
C.Remaining constant temperature
D.Varying speed

4.單項(xiàng)選擇題If a steering motor becomes overloaded, the ()

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

5.單項(xiàng)選擇題When there is a fire in a large electric motor, normally the very FIRST step is to ()

A.secure the electric supply
B.ventilate area to remove smoke
C.start the fire pump and lead out hose
D.apply foam