單項(xiàng)選擇題

One characteristic of a pulse type turbo-charging system is（）

A.high average exhaust manifold
B.greatly fluctuating inlet manifold pressure
C.constant exhaust manifold pressure
D.multiple exhaust pipes to the turbocharger

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單項(xiàng)選擇題

One advantage of dry cylinder liners used in a diesel engine is the（）

A.lower thermal expansion rates than wet liners
B.greater heat transfer rate than wet liners
C.greater wear resistance than wet liners
D.procedure to replace dry liners is simpler than for wet liners

單項(xiàng)選擇題

Intake air flow from a diesel engine turbocharger is directly proportional to engine（）

A.exhaust gas pressure
B.exhaust gas temperature
C.speed
D.load

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One characteristic of a pulse type turbo-charging system is（）

你可能感興趣的試題

One advantage of dry cylinder liners used in a diesel engine is the（）

Intake air flow from a diesel engine turbocharger is directly proportional to engine（）