A.air filtration is inadequate
B.engine coolant leaking into the lube oil
C.fuel oil is leaking into the lube oil
D.the piston rings are excessively worn
您可能感興趣的試卷
你可能感興趣的試題
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?()
Ⅰ.filtering
Ⅱ.settling
A.Ⅰ only
B.Ⅱ only
C.either Ⅰ or Ⅱ
D.neither Ⅰ or Ⅱ
A.water contamination
B.mixing oils of two widely different viscosities
C.overheating
D.aeration
A.plugging gooseneck tank vents to prevent accident overflow
B.maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
C.sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
D.maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
A.Glazing of the cylinder liners
B.Increase valve wear
C.Excessive oil pumping
D.Increase fuel consumption
A.for atomizing
B.for centrifuging
C.in a storage tank
D.in the re-circulating line
最新試題
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
The main purpose of port State control is not to()
The cetane rating of diesel fuel is an indication of the ()
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
The treatment of the fuel oils involves storage, heating, filtering and()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
Using a file without a handle may result in ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()