单项选择题
A.on the power stroke B.on the exhaust stroke C.at the end of the power stroke D.at the start of the intake stroke
Low cylinder compression pressure and a high exhaust te...
单项选择题Low cylinder compression pressure and a high exhaust temperature may indicate （）
A.early fuel injection timing B.leaking valves C.a continuously open scavenge air port D.low cooling water temperature
Which of the listed problems can be a cause of low comp...
单项选择题Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）
A.clogged air filter B.compression stroke C.burned exhaust valves D.all of the above
When an air started, four-stroke/cycle diesel engine is...
单项选择题When an air started, four-stroke/cycle diesel engine is being cranked, the starting air is admitted to each cylinder during what would normally be the（）
A.intake stroke B.compression stroke C.power stroke D.exhaust stroke
