單項(xiàng)選擇題

Which of the following conditions can cause below normal air pressure in the intake manifold of a turbocharged diesel engine?（）

A.Excessive piston blow-by to the manifold
B.Insufficient cooling water flow
C.Accumulated water in the air boxes
D.Clogged air intake filters

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單項(xiàng)選擇題

If sludge accumulates on the underside of a diesel engine piston, it will（）

A.cause blow-by
B.chemically attack the piston skirt
C.form an emulsion of lube oil and water
D.raise the piston temperature

單項(xiàng)選擇題

Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）

A.An increased air temperature differential between the cooler inlet and outlet
B.A decrease in the air pressure differential across the cooler
C.Excessive condensate forming in the air box
D.A decrease in the air temperature differential between the cooler inlet and outlet

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Which of the following conditions can cause below normal air pressure in the intake manifold of a turbocharged diesel engine?（）

你可能感興趣的試題

If sludge accumulates on the underside of a diesel engine piston, it will（）

Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）