A.packings
B.piston rings
C.distributor rings
D.scraper rings
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A.bridges
B.recesses
C.rears
D.ridging
A.is usually cooled by sea water
B.can be replaced when worn out
C.is in direct contact with the water in the bore of the cylinder
D.can t expand when heated
A.cylinder liner
B.coupling flange
C.cylinder cover
D.piston crown
A.nuts and bolts
B.new joints
C.spring force
D.sealing rings
A.throw
B.crankshaft
C.crankpin
D.crosshead
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Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
An automated diesel engine should normally shut down due to （）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Routine monitoring of a diesel engine should include （）.
Maximum horsepower of a diesel engine is attained （）.