A.safety
B.the ship, its machinery and crew
C.immediate action
D.the engineer in charge
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A.at the beginning of every watch
B.at the beginning of the first watch every day
C.at the completion of every watch
D.at noon every day
A.1/2
B.1
C.2
D.3
A.reciprocating pump
B.vane pump
C.screw pump
D.centrifugal pump
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
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The main purpose of port State control is not to（）
Diesel engine air start system check valves are opened by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.