A.Excessive wear
B.Scuffing of the liner
C.Piston seizure
D.All of the above
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A.diametrical tension
B.gap clearance
C.radial thickness
D.face thickness
A.install oversized rings
B.hone the cylinder liner to allow ring installation
C.compress the rings tighter with a compressing tool
D.file the ends of the rings
A.jam in the most worn part of the cylinder when the rings expand
B.break in the most worn part of the cylinder when the rings expand
C.wear eccentrically on the side opposite the end gap
D.overheat and jam at the top center on the combustion stroke
A.prevent governor surging at shutdown
B.make sure the fuel nozzles are flushed clean
C.prevent pressure buildup in the fuel lines
D.prevent damage from localized overheating
A.stop the combustion air supply
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the day tank
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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
The ISPS Code consists of a mandatory section-Part A, which shows（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Cold weather starting of a diesel engine may be made easier by（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the following items don’t belong to dock repair works?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.