A.valve guides
B.oil control rings
C.valve seats
D.compression rings
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A.throughput
B.additive percent
C.cetane number
D.TBN number
A.back
B.side
C.gap
D.bottom
A.crankcase pressure
B.compression pressure
C.scavenge pressure
D.exhaust manifold pressure
A.centrifuging the fuel
B.using it in the engine
C.heating the fuel tanks
D.starting the fuel
A.cooling water
B.fuel oil
C.sea water
D.diesel intake air
最新試題
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Diesel engine air start system check valves are opened by （）
The condensers located in various stages of a flash evaporator are cooled by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The main purpose of port State control is not to（）
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）