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
您可能感興趣的試卷
你可能感興趣的試題
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
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The condensers located in various stages of a flash evaporator are cooled by（）
Using a file without a handle may result in （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Under MARPOL Code the ship to which it applies has to carry （）
The main purpose of port State control is not to（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）