A.insufficient lubrication
B.improper piston cooling
C.blow-by
D.overload operation
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A.has a crown-face
B.exceeds wear limits through normal wear
C.has excessive blow-by
D.is in good condition
A.combustion gas blow-by
B.excessive lubrication
C.properly functioning rings
D.insufficient cylinder cooling
A.Blank off the exhaust gas inlet to the damaged turbocharger
B.Secure cooling and lubrication to the damaged turbocharger
C.Lock the rotor of the damaged turbocharger
D.All of the above
A.Poor combustion
B.High cylinder oil consumption
C.Leaking exhaust valves
D.All of the above
A.Reduce engine speed to idle before removing the filter
B.Soak the dirty filter in kerosene only
C.Blow out the air inlet with compressed air
D.Cover the air inlet after removing the filter
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