海船船员考试
单选题The most effective method in removing water from diesel fuel oil is by（）A centrifuging the fuelB using it in the engineC heating the fuel tanksD starting the fuel
题目
centrifuging the fuel
using it in the engine
heating the fuel tanks
starting the fuel
相似问题和答案
第1题：
The main propulsion diesel engine jacket water temperature rises above normal, with the raw sea suction and the expansion tank water level being normal. Which of the following problems is most likely the cause?
A.Faulty thermostatic bypass valve
B.Eroded zinc pencils in the heat exchanger
C.Steam formation in the expansion tank
D.Excessive leakage from jacket water pump seals
第2题：
What quality of a diesel fuel is most significant for efficient combustion ________．
A.Volatility
B.Viscosity
C.Flash point
D.Specific heat
第3题：
Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?
A.The viscosity of the fuel.
B.The quantity of water to be removed from the fuel.
C.The specific gravity of the fuel.
D.The quantity of dirt to be removed from the fuel.
第4题：
fuel/water separators
day tanks
injector test stand
fuel filters
第5题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
第6题：
The separation of impurities and water from ______is essential for good combustion of diesel engines.
A.lube oil
B.fuel oil
C.turbine oil
D.grease
第7题：
to prevent the fuel system from becoming air-hound
to prevent the fuel system becoming clogged with dirty particles
both of the above
to prevent the lubricating oil from leaking out of the filter element
第8题：
Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages m the holder
第9题：
to inspect if the cylinder has the water leakage
to expel out the residual water/gas/oil from the cylinder
to check if fuel supply is normal
A and B
第10题：
controlling the amount of fuel injected into the cylinders
varying the speed of the turbocharger
adjusting the compression ratio
changing the timing of the fuel injection camshaft