单项选择题
A.Pre-lube cylinders with hand cranks B.Open all air space drain cocks C.Open all indicator valves D.All of the above
Late fuel injection in a diesel engine is indicated by ...
单项选择题Late fuel injection in a diesel engine is indicated by low firing pressure with （）
A.low exhaust temperature B.low exhaust pressure C.mechanical knock in each cylinder D.black or gray exhaust smoke
The bore of a diesel engine cylinder describes the （）A....
单项选择题The bore of a diesel engine cylinder describes the （）
A.swept volume of the cylinder B.inside diameter of the cylinder C.piston displacement in the cylinder D.length of the piston stroke
When one cylinder has a lower compression pressure and ...
单项选择题When one cylinder has a lower compression pressure and higher exhaust gas temperature than any of the other engine cylinders, which of the conditions listed will indicated?（）
A.Advanced ignition B.Clogged air intake C.Leaky exhaust valve D.High exhaust pressure
