A.reciprocating pump
B.vane pump
C.screw pump
D.centrifugal pump
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A.reciprocating pump
B.vane pump
C.mono pump
D.axial-flow pump
A.The rams work inside cylinders
B.The cylinders have glands sealing their open ends
C.The rams are connected to a cross-head
D.The cross-head is mounted on the rudder stock
A.an exciter driven by the same shaft with the generator
B.an exciter driven by external prime mover
C.generator itself
D.either A and B
A.oily water separator
B.sewage treatment plant
C.fuel oil separator
D.incinerator
A.residual magnetism
B.voltage regulator
C.electrical current for excitation
D.the other running generator
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