單項(xiàng)選擇題

If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be （）

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be （）

你可能感興趣的試題

Which of the routine maintenance procedure listed is required for starting air receivers?（）

Which of the routine maintenance procedures listed is required for starting air receivers?（）