A.low wax content
B.high pour point
C.high viscosity
D.all of the above
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A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of grit in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil dirty
D.fuel will clog the intake air filter
A.The viscosity off 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
A.oil has a tendency to emulsify in the bowl
B.purifier will act as a clarifier at the discharge ring
C.oil will be lost through the water discharge ports
D.oil solids will be deposited only at the intermediate top disk
A.more sealing water is needed
B.the cover clamp needs tightening
C.the purifier has a bad vibration when started
D.water is discharged from the overflow line
A.remove the discharge ring
B.re-prime the purifier
C.the centrifuge to its proper speed
D.install an additional discharge ring
最新試題
Under MARPOL Code the ship to which it applies has to carry ()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
The main purpose of port State control is not to()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
The shipboard oil pollution emergency plan will be invalid after ()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
The treatment of the fuel oils involves storage, heating, filtering and()
Using a file without a handle may result in ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()