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
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（） is not installed on the main switchboar.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the following items don’t belong to dock repair works?（）
The cetane rating of diesel fuel is an indication of the （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Diesel engine air start system check valves are opened by （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
If separating effect is not good, which measure should be taken （）
The main purpose of port State control is not to（）