单项选择题
A dark exhaust from a running diesel engine can be caused by （）
A.late ignition
B.water in the fuel
C.high compression temperature
D.starting valve stuck open
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相关考题
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单项选择题
What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
A.White
B.Black
C.Blue
D.Clear -
单项选择题
Combustion knock will most likely occur as a result of using a fuel with（）
A.low ignition quality
B.a high volatility
C.low ignition delay
D.a high cetane number -
单项选择题
High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an（）
A.inoperative turbocharger
B.inadequate fuel supply
C.overload on one cylinder
D.unequal load distribution
