A.forced circulating pump
B.compressed air
C.gravity tank
D.bead tank
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A.total dissolved solids
B.temperature of distillation of sea water
C.total dissolved sodium
D.total delivery system
A.sea water
B.fresh water
C.vapour
D.gas
A.shell and tube type
B.plate type
C.coil type
D.conical disc type
A.temperature
B.velocity
C.density
D.viscosity
A.the low inertia
B.the high inertia
C.the low velocity
D.the high velocity
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To proceed to the assistance of a ship in distress is（）
Which of the following items don’t belong to dock repair works?（）
Diesel engine air start system check valves are opened by （）
（） is not installed on the main switchboar.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The shipboard oil pollution emergency plan will be invalid after （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）