A.O-ring
B.gasket
C.washer
D.packing
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A.high temperatures
B.low temperatures
C.wet
D.dirty
A.speed settings
B.speed droops
C.speed drops
D.speed changes
A.speed setting
B.load setting
C.speed changing
D.load changing
A.lubricating oil
B.dry sump
C.circulated tank
D.wet sump
A.filtering
B.centrifuging
C.depositing
D.operating
最新試題
（） is not installed on the main switchboar.
Which of the following items don’t belong to dock repair works?（）
The main purpose of port State control is not to（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
To proceed to the assistance of a ship in distress is（）
The shipboard oil pollution emergency plan will be invalid after （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Diesel engine air start system check valves are opened by （）