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
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A.remove the discharge ring
B.re-prime the purifier
C.the centrifuge to its proper speed
D.install an additional discharge ring
A.flattening of the bowl neoprene O-rings
B.operation within the explosive rang of the fuel
C.excessive purifier operating pressures
D.excessive oil viscosity
A.Carbon particles
B.Lube oil
C.Gasoline
D.Diesel fuel
A.Contamination of the lube oil by emulsification will result
B.The lube oil will not be subjected to the proper centrifugal force
C.The lube oil will overheat and flash
D.Oil will discharge from the heavy phase discharge port and be wasted
A.rated capacity of that purifier
B.viscosity of the oil being purified
C.maximum design speed of that purifier
D.specific gravity of the oil being purified
最新試題
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Using a file without a handle may result in （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Cold weather starting of a diesel engine may be made easier by（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.