海船船员考试
单选题Excessive lubricating oil consumption in a running diesel engine can be caused by （）A clogged lube oil pipingB excessive valve-guide clearanceC high lube oil viscosityD low lube oil temperature
题目
clogged lube oil piping
excessive valve-guide clearance
high lube oil viscosity
low lube oil temperature
相似问题和答案
第1题：
using a slightly dirty air filter
using oil having an excessive viscosity
intercooler or after-cooler leaks
carrying the oil level higher than normal
第2题：
provide a reservoir for cylinder lubrication
pump oil into the combustion space for cylinder cooling
prevent excessive lubricating oil consumption
allow hydraulic oil film formation on the cylinder
第3题：
Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.
A.over-speed trip
B.audible/visual alarm
C.the ships/boats general alarm
D.reserve oil storage tank
第4题：
the lubricating pumps are stopped and the access doors are opened
the lubricating pumps are running and the access doors are opened
the engine is running and the access doors are closed
the engine is stopped and the access doors are closed
第5题：
filter to remove the fuel oil
use the settler to remove the fuel oil
remove the fuel oil by centrifuging
drain and then renew the lube oil supply
第6题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
第7题：
piston rings
valve guides
valve seals
all of the above
第8题：
What would white exhaust smoke from a diesel engine probably mean ________．
A.Late fuel injection
B.Excess combustion air
C.Dribbling injector tips
D.Excessive lube oil consumption
第9题：
Low lube oil temperature
Dirty lube oil strainer
Low lube oil pressure
High lube oil temperature
第10题：
increase exhaust back pressure
causes excessive crankcase pressure
can only be detected by a compression check
decreases fuel consumption