单项选择题
If the piston ring gap remains insufficient when installing new rings, youshould（）
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
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相关考题
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单项选择题
Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）
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 -
单项选择题
Before being shut down, a diesel engine should idle a few minutes in orderto （）
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 -
单项选择题
The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）
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
