A.shaft
B.boss
C.wheel
D.lever
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A.higher
B.lower
C.very higher
D.very lower
A.A special sealing gland
B.Propeller
C.Tailshaft
D.Sterntube bearing
A.tie rod
B.thrust block
C.bedplate of main engine
D.frame of main engine
A.propeller
B.flying wheel
C.main engine
D.crankshaft
A.coke deposits
B.cylinder water temperature
C.asphalt in fuel oil
D.lub oil
最新試題
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Using a file without a handle may result in （）
Which of the following items don’t belong to dock repair works?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Under MARPOL Code the ship to which it applies has to carry （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The main purpose of port State control is not to（）
If separating effect is not good, which measure should be taken （）