单项选择题
A.increasing cooling water flow B.increasing lube oil flow C.dilution by fuel oil D.adding SAE 70 oil
A defective injector nozzle in a propulsion diesel engi...
单项选择题A defective injector nozzle in a propulsion diesel engine can cause（）
A.engine power losses B.smoking due to unburned fuel C.high exhaust temperature readings D.all of the above
The major cause of problems occurring with fuel injecti...
单项选择题The major cause of problems occurring with fuel injection equipment is（）
A.incorrect replacement of barrels and plungers of jerk pumps B.overheating of the nozzle orifices C.cracked pump housings D.dirt in the fuel
By comparing the exhaust gas temperature of each cylind...
单项选择题By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engineThe device most commonly used is a（）.
A.tachometer B.pyrometer C.dynamometer D.calorimeter
