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单项选择题
A.reduce fuel weight
B.increase specific gravity
C.separate fuel from lube oil
D.reduce fuel viscosity
单项选择题
A.valve guides
B.oil control rings
C.valve seats
D.compression rings
单项选择题
A.throughput
B.additive percent
C.cetane number
D.TBN number
单项选择题
A.back
B.side
C.gap
D.bottom
单项选择题
A.crankcase pressure
B.compression pressure
C.scavenge pressure
D.exhaust manifold pressure
单项选择题
A.centrifuging the fuel
B.using it in the engine
C.heating the fuel tanks
D.starting the fuel
单项选择题
A.cooling water
B.fuel oil
C.sea water
D.diesel intake air
单项选择题
A.a cracked cylinder liner
B.excessive water in the fuel
C.a leaking intercooler
D.excessive moisture in the scavenge air
单项选择题
A.reservoir
B.hand pump
C.accelerator
D.accumulator
单项选择题
A.Through the crankcase exhauster
B.As water vapor contained in blow-by
C.Demulsifying lube oil passing through the main bearings
D.Condensation from vapor formed in the expansion tank