单项选择题
A.a glazed surface on the spring B.nicks in the protective coating C.a build up of sludge deposits D.cracks in the surface of the spring
Which of the routine maintenance procedure listed is re...
单项选择题Which of the routine maintenance procedure listed is required for starting air receivers?（）
A.Frequent draining of accumulated moisture B.Frequent testing of relief valves C.A close watch on temperature to prevent fluctuations in pressure D.Frequent cleaning to re move oil and foreign matter
Which of the routine maintenance procedures listed is r...
单项选择题Which of the routine maintenance procedures listed is required for starting air receivers?（）
A.over-speeding B.overload C.low exhaust temperature D.high crankcase pressure
A large two-stroke/cycle direct reversing diesel engine...
单项选择题A large two-stroke/cycle direct reversing diesel engine is to be reversedPrior to the admission of starting air you must （）
A.line up the engine fore restarting with light diesel oil B.reposition the fuel injection cam C.change the intake and exhaust valve cam positions D.place the starting cam in the intermediate position
