单项选择题
A.clogged fuel injection pumps B.increased cylinder liner wear C.intake valve stem corrosion D.varnish deposit on pistons
Which of the following problems may occur when using fu...
单项选择题Which of the following problems may occur when using fuel oil with a high sulphur content?（）
A.Injection lag B.Lube oil dilution C.Pre-ignition D.Corrosion
Burning fuel with a high sulfur content in a diesel eng...
单项选择题Burning fuel with a high sulfur content in a diesel engine will （）
A.increase thermal efficiency B.cause clogging of the fuel system C.increase the ability of the engine to start in cold weather D.produce corrosion in the cylinder and exhaust system at low loads
Leaking oil seals on a diesel engine turbocharger can c...
单项选择题Leaking oil seals on a diesel engine turbocharger can cause（）
A.the engine to run after the fuel has been secured B.the engine to over-speed C.a fire D.all of the above
