A.a clogged filter element
B.excessive lube oil pump discharge pressure
C.excessive lube oil flow
D.excessively hot lube oil
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A.improper venting of the cooling system
B.carrying the expansion tank water level too high
C.a totally clogged impeller in the cooling water pump
D.an incorrectly set cooling system temperature control
A.crankcase
B.low lube oil temperature
C.excessive oil consumption
D.low bearing oil pressure
A.cam action
B.spring force
C.fuel oil pressure
D.firing pressure
A.An open vent in the cooling system
B.A fouled sea chest
C.A restricted water passage in the engine
D.Air entrained in the cooling water
A.injection pressure
B.shape of combustion space
C.turbulence in combustion space
D.all of the above
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which of the following items don’t belong to dock repair works?（）
Using a file without a handle may result in （）
（） is not installed on the main switchboar.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.