A、high lube oil viscosity
B、increased lube oil consumption
C、low lube oil temperatures
D、high firing pressures
更多“Excessive piston ring wear in a diesel engine will cause（）”相关的问题
A、excessive piston to liner clearance B、excessive dirt beneath the piston crown that reduces heat transfer C、faulty nozzle spray D、all of the above
A、a low load on that cylinder B、sluggish piston ring action C、excessive piston crown cooling D、excessive clearance of piston pin
A、Excessive piston to liner clearance B、The underside of the piston crown being excessively dirty lowering the rate of heat transfer C、Faulty nozzle spray D、All of the above
A、A.excessive ring action B、B.excessive ring temperature C、C.improper ring rotation D、D.excessive ring face wear
A、alternation of side thrust B、a breakdown of the lube oil film on the cylinder wall C、worn piston boss piston pin bearings D、fluctuating gas pressure in the combustion space
A、excessive lube oil consumption B、lower than normal lube oil temperature C、higher than normal exhaust back pressure D、excessive crankshaft end play
A、High sulphur content fuel B、High lube oil temperatures C、High vanadium content fuel D、Excessive piston slap
A、A.Liner wear is distributed equally between the upper and lower portions of the cylinder B、B.Excessive liner wear causes wear between piston ring and groove C、C.Excessive, but uniform liner wear will not cause wear between piston ring and groove D、D.Liner wear is normally greatest in the middle of the cylinder
A、an air bound fuel system B、damage to cylinder heads and pistons C、excessive fuel injection D、excessive air valve lift
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