单项选择题
In a diesel engine, when installing new piston rings it is important to check（）
Ⅰ.ring gap clearance
Ⅱ.side clearance
A.Ⅰ only
B.Ⅱ only
C.both Ⅰ and Ⅱ
D.neither Ⅰnor Ⅱ
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相关考题
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单项选择题
At bottom dead center, the centerline of the connecting rod usually coincides with the（）
A.angularity of the piston motion
B.inertia moment from the piston
C.centerline of the cylinder
D.centerline of the king pin -
单项选择题
Which of the following problems represent one possible cause of high lube oil consumption in a four stroke diesel engine?（）
A.Worn intake valve guides
B.Pitted pre-combustion chambers
C.Loose valve tappets
D.High exhaust back pressure -
单项选择题
Late fuel oil injection in a diesel engine can result in （）
A.fuel knock
B.increased power
C.low compression pressure
D.high exhaust temperature
