你可能感興趣的試題

單項(xiàng)選擇題

Which of the turbo-charging systems listed operates with the least average back pressure in the exhaust manifold?（）

A.Constant volume
B.Constant pressure
C.Pulse pressure
D.Radial flow

單項(xiàng)選擇題

Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）

A.Water discharging from the water outlet of the lube oil purifier
B.Fuel oil discharging from the water outlet of the lube oil purifier
C.Lube oil discharging from the water outlet of the lube oil purifier
D.A change in the lube oil viscosity

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The exhaust valve opens before bottom dead center in a four stroke engine to（） Ⅰ.allow for blow down Ⅱ.Reduce pumping losses

你可能感興趣的試題

Which of the turbo-charging systems listed operates with the least average back pressure in the exhaust manifold?（）

Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）

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The exhaust valve opens before bottom dead center in a four stroke engine to（）
Ⅰ.allow for blow down
Ⅱ.Reduce pumping losses