contaminating water
contaminated additives
contaminated fuel
contaminating impurities
第1题：
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .
A.all of the oil used by the engine through a filter
B.some of the oil used by the engine through a filter
C.some of the oil used by the engine through a centrifuge
D.all of the oil used by the engine through a centrifuge
第2题：
water in the fuel
insufficient fuel for combustion
clogged air intake passages
burning lubricating oil
第3题：
On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).
A.a spindle lubricator
B.an oil jet
C.internal splashing
D.drilled passages in the crankshaft
第4题：
telescopic pipes
large bore
drilled passage
tied rod
第5题：
clogged lube oil piping
excessive valve-guide clearance
high lube oil viscosity
low lube oil temperature
第6题：
Which lubricating oil additive is used in diesel engines to reduce the tendency(倾向)for sludge and varnish to form on the engine parts?
A.Flash point improvers
B.Pour point improvers
C.Inhibitors
D.Foam suppressors(抑制物)
第7题：
runs out of fuel
has low lubricating oil pressure
exceeds a set maximum speed
has high cooling water temperature
第8题：
In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the
A.crosshead
B.crankpin
C.crank journal
D.gudgeon pin
第9题：
crosshead
crankpin
crank journal
gudgeon pin
第10题：
A filter
A centrifuge
A distiller
A generator