A、oil
B、gas
C、water and fuel
D、timber
更多“The （）is pumped onto the ship at the loading port by shore pumps.”相关的问题
A、centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump B、centerline of the pump and the suction liquid level when the source of liquid is above the pump C、centerline of the pump and the level of the discharge liquid D、liquid levels of the suction and discharge
A、prevent an internal explosion in the pump when it is overheated B、enable a visual inspection of the pump while it is running C、insure a proper alignment of the pump coupling to the driver D、accommodate for friction between the impeller and the easing
A、Pump only if the discharge is led to a shore tank or barge B、Pump only during the hours of darkness C、Pump only on the outgoing tide D、Pump only as much as is necessary
A、varying the pump discharge pressure B、varying the pump return pressure C、rotation of the pump plunger D、rotation of the pump barrel
A、distance of the suction liquid level above the line of the pump B、distance the suction liquid level is below the center line of the pump C、force necessary to overcome frictional losses in the pump and piping D、amount in inches of mercury the total suction head is below atmospheric pressure
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、Condenser circulating water pump B、Feed-water heater drain pump C、Distillate pump D、Air ejector condenser drain pump
A、the filter is clogged B、bilge suction value is clogged C、suction value and discharge value of the pump do not open fully D、screw pump is worn seriously and volumetric efficiency is decreased
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