单项选择题
A.insufficient fuel supply B.faulty governor C.high exhaust back pressure D.all of the above may cause this problem
Air in the fuel can cause（）A.high lube oil temperatureB...
单项选择题Air in the fuel can cause（）
A.high lube oil temperature B.blue smoke C.the engine to stop D.piston seizure
Which of the following operating procedures should be c...
单项选择题Which of the following operating procedures should be carried out immediately after any diesel engine is started?（）
A.Take all exhaust temperature reading B.Check the sump oil level C.Verify proper lube oil pressure D.All of the above
Which of the following conditions would cause carbon de...
单项选择题Which of the following conditions would cause carbon deposits to form in the piston ring belt of a diesel engine?（）
A.faulty combustion B.excessive ring temperature C.over lubrication D.all of the above
