單項(xiàng)選擇題

In a diesel engine, excessive cylinder liner wear will cause （）
Ⅰ.increased blow-by
Ⅱ.wear between the piston ring and groove

A.Ⅰonly is correct
B.Ⅱ only is correct
C.both Ⅰ and Ⅱ are correct
D.neither Ⅰ or Ⅱ are correct

你可能感興趣的試題

If the operating element of a thermostatic valve installed in a diesel engine cooling system malfunctions, it may result in （）

A.a low level in the engine expansion tank
B.excessively high coolant pressure
C.improper temperatures
D.malfunctioning of the jacket water heater

單項(xiàng)選擇題

Why is the ring belt narrower in diameter than the skirt of a piston designed for a diesel engine?（）

A.To allow for greater expansion due to higher operating temperature
B.To seal the cylinder against leakage of combustion gases
C.To provide an additional surface for oil cooling
D.To provide an additional strength for the crown and lower structure

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In a diesel engine, excessive cylinder liner wear will cause （） Ⅰ.increased blow-by Ⅱ.wear between the piston ring and groove

你可能感興趣的試題

If the operating element of a thermostatic valve installed in a diesel engine cooling system malfunctions, it may result in （）

Why is the ring belt narrower in diameter than the skirt of a piston designed for a diesel engine?（）

In a diesel engine, excessive cylinder liner wear will cause （）
Ⅰ.increased blow-by
Ⅱ.wear between the piston ring and groove