單項(xiàng)選擇題

Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）

A.Holding the valve open for a long period
B.Increasing the starting air pressure used
C.Opening the stating air valve quickly
D.Reducing the starting air valve size

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單項(xiàng)選擇題

Small crack in the crankshaft bearing surface of a diesel engine are an indication of（）

A.corrosion fretting
B.insufficient lubrication
C.abnormal wear
D.fatigue failure

單項(xiàng)選擇題

Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）

A.sludge
B.water
C.micro-organism growth
D.all of the above

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Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）

你可能感興趣的試題

Small crack in the crankshaft bearing surface of a diesel engine are an indication of（）

Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）

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