- 搜標(biāo)題
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- 搜選項(xiàng)
單項(xiàng)選擇題
Why will a turbocharger diesel engine produce black smoke if excessive additional load is applied too quickly?（）
A.Exhaust energy would draw excess air
B.The inertia of the turbocharger rotor causes a time lag which delays the turbocharger speed increase
C.Exhaust gas pumping losses are increased due to turbine windage
D.Exhaust gas back pressure falls slightly due to increased nozzle action
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