单项选择题
A.compression pressure in the cylinder will be higher B.carbon will accumulate behind the ring C.combustion gases will penetrate beneath the ring land D.piston side thrust will be increased
Corrosion and grooving on the blade of an exhaust drive...
单项选择题Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium,sodium, and（）
A.copper B.carbon C.hydrogen D.sulfur
If a crankcase explosion has occurred in a diesel engin...
单项选择题If a crankcase explosion has occurred in a diesel engine, and the crankcase remains intact, which of following precautions should be observed?（）
A.The cylinder indicator cocks should be opened B.The sump lube oil scavenge pump should be secured immediately C.The explosion relief valves should be manually opened D.The crankcase should remain unopened until the engine has cooled
A sudden power loss from a turbocharged and after-coole...
单项选择题A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an（）
A.turbocharger malfunction or failure B.crankcase exhauster overload C.overload on the intercooler D.obstruction in the engine cylinders
