海船船员考试
单选题Friction, engine wear and oil consumption in a diesel engine are directly related to the （）.A acidity of the oilB pour point of the oilC flash point of the oilD viscosity of the oil
题目
acidity of the oil
pour point of the oil
flash point of the oil
viscosity of the oil
参考答案和解析
相似问题和答案
第1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2题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
第3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4题：
prevent engine back pressure at heavy loads
increase total engine efficiency at low loads
prevent boiler corrosion at low engine loads
improve engine fuel consumption at any load
第5题：
the engine to run after the fuel has been secured
the engine to over-speed
a fire
all of the above
第6题：
cylinders
exhaust valves
pistons
fuel valves
第7题：
Worn intake valve guides
Pitted pre-combustion chambers
Loose valve tappets
High exhaust back pressure
第8题：
The Chief and 3rd Engineers went below，changed the fuel to diesel oil and reduced the engine to slow ahead．This sentence implies all those below except that ________ ．
A.the Engine was not on slow ahead before Chief and 3rd Engineers went down
B.the Engine was using diesel oil before Chief and 3rd Engineers went down
C.the Engine was using fuel oil before Chief and 3rd Engineers went down
D.the Chief and 3rd Engineers went into the Engine Room to operate the Engine
第9题：
water supply
fuel oil supply
lube oil supply
exhaust damper
第10题：
clogged lube oil piping
excessive valve-guide clearance
high lube oil viscosity
low lube oil temperature