单项选择题
When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the （）
A.quantity of fuel injected is decreased
B.quantity of fuel injected will always be increased
C.start of injection is advanced
D.duration of injection will always be greater
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相关考题
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单项选择题
Broken intake valve springs on one cylinder of a diesel engine can cause the engine to （）
A.Over speed
B.fire improperly
C.lose oil pressure
D.overheatrapidly -
单项选择题
A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an （）
A.torque limiter
B.over-speed trip
C.over-speed governor
D.load limit governor -
单项选择题
Black smoke exhausting from an operating diesel engine can be caused by （）
A.fuel dribbling from leaking fuel injectors
B.burning fuel with a high carbon content
C.burning fuel with a high vanadium content
D.burning fuel with a lower sulphur content
