单项选择题
A.Over speed B.fire improperly C.lose oil pressure D.overheatrapidly
A device which functions to bring a diesel engine to a ...
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
Black smoke exhausting from an operating diesel engine ...
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
White smoke exhausting from a diesel engine can be caus...
单项选择题White smoke exhausting from a diesel engine can be caused by a （）
A.high combustion temperature B.high compression pressure C.cracked cylinder liner D.fuel with a high vanadium content
