單項選擇題

A substantial increase pressure could be an indication of a/an （）

A.worn cylinder liner
B.faulty cylinder relief valve
C.excessive lube oil pressure
D.excessive scavenge air pressure

你可能感興趣的試題

A water jacket is placed around the exhaust manifolds of propulsion diesel engines to（）

A.reduce heat radiation to the engine room
B.aid in preventing turbocharger overheating
C.condense and drain moisture from exhaust gases
D.dampen exhaust gas pulsations in the manifold

單項選擇題

An increase in diesel engine crankcase pressure generally indicates excessive（）

A.compression pressure
B.lube oil header pressure
C.scavenge air pressure
D.piston ring blow-by

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