单项选择题
Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?（）
A.Low cooling water outlet temperature B.High lube oil pressure C.Low lube oil temperature D.Low starting air pressure
单项选择题 A diesel engine may be hard to start if the （）
单项选择题 If a diesel engine rotates slowly when cranked, but does not fire, the（）
单项选择题 When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）
