A.sliding bowl bottom
B.gravity disc
C.bowl
D.liquid level detector
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A.sliding bowl bottom
B.gravity disc
C.separating disc
D.scum valve
A.turbine
B.screw
C.vaneejector
D.centrifugal
A.leaky pipe
B.opened inlet valve
C.too much water in tank
D.None of the above
A.Steam trap
B.Check valve
C.Separator
D.Strainer
A.lobe type
B.screw type
C.axial piston type
D.volute type
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Diesel engine air start system check valves are opened by （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the following items don’t belong to dock repair works?（）
The shipboard oil pollution emergency plan will be invalid after （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
To proceed to the assistance of a ship in distress is（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）