单项选择题
A four-stroke cycle, turbocharged, 1000 horsepower diesel engine has been operating under loadThe load suddenly increases, causing excessive black exhaust smoke, and a rapid rise in the lube oil temperatureIn response to this condition, you should:（）
A.reduce load B.check your exhaust C.adjust cooling water temperature D.increase lube oil flow
单项选择题 Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）
单项选择题 A diesel engine could fail to start because of （）
单项选择题 Excessive vibration in an operating diesel generator may be caused by （）
