海船船员考试
单选题A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is （）.A acidB fuel oilC sedimentD water
题目
acid
fuel oil
sediment
water
参考答案和解析
相似问题和答案
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：
Gas masks ______.
A.should be worn while fighting a fire
B.can be used in atmospheres deficient in oxygen
C.filter contaminants from air that is to be breathed
D.may be substituted for a self-contained breathing apparatus
气体面具过滤用于呼吸的空气中的污染物。
第3题：
The pressure differential across a diesel engine lube oil system duplex filter should be checked to ________.
A.determine the need for filter cleaning
B.measure any change in oil viscosity
C.prevent damage to the filter
D.determine the need for batch filtration
第4题：
when
how
where
whether
第5题：
crankcase
low lube oil temperature
excessive oil consumption
low bearing oil pressure
第6题：
A dirty diesel engine oil filter element can best be detected by ______.
A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter
第7题：
low lube oil temperature
low lube oil pressure
high exhaust temperature
high cooling water pressure
第8题：
If a used lube oil analysis indicates excessive chromate content, this means
A.air filtration is inadequate
B.engine coolant is leaking into the lube oil
C.fuel oil is leaking into the lube oil
D.the piston rings are excessive worn
第9题：
visual inspection of the elements
the pressure drop across the filter
high lube oil sump temperature
decrease in oil viscosity from the filter
第10题：
open the filter and inspect the elements
check the lube oil pump discharge pressure
check the lube oil header pressure
check the pressure drop across the filter