单项选择题
A.Fuel injection timing will change B.Nozzle operation will be unaffected C.Fuel will leak into the drain line D.Fuel will not be delivered
A dry-type exhaust muffler clogged with soot, will caus...
单项选择题A dry-type exhaust muffler clogged with soot, will cause（）
A.low exhaust temperature B.loss of engine power C.burned intake valves D.engine racing
An operating turbocharged diesel engine that suddenly l...
单项选择题An operating turbocharged diesel engine that suddenly loses power, is due to a/an（）
A.restricted turbocharger air intake B.oil leak into the turbocharger C.dribbling injector D.low fuel viscosity
The exhaust valve opens before bottom dead center in a ...
The exhaust valve opens before bottom dead center in a four stroke engine to（） Ⅰ.allow for blow down Ⅱ.Reduce pumping losses
A.Ⅰ only B.Ⅱ only C.both Ⅰ and Ⅱ D.neither Ⅰ nor Ⅱ
