A.reduce fuel weight
B.increase specific gravity
C.separate fuel from lube oil
D.reduce fuel viscosity
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A.valve guides
B.oil control rings
C.valve seats
D.compression rings
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
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on 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.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
（） is not installed on the main switchboar.