If a diesel engine fails to start,one of the likely causes is ()
A、low compression temperature
B、low ambient air pressure
C、high lube oil pump pressure
D、high fuel oil booster pump pressure
A、low compression temperature
B、low ambient air pressure
C、high lube oil pump pressure
D、high fuel oil booster pump pressure
A、most critical in a four-stroke cycle diesel engine B、most critical in a two-stroke/cycle diesel engine C、most critical in a four-stroke/cycle diesel engine if it is turbocharged D、of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine
A、Diesel engines have more advantages in comparison with gasoline engines B、Diesel engines have more advantages in comparison to gasoline engines C、Gasoline engines have more advantages in comparison with diesel engines D、Gasoline engines have more advantages in comparison to diesel engines
A、bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed B、bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed C、the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine D、two-stoke/cycle diesel engines require more complicated lubrication piping
A、air intake is restricted B、engine is cranked too fast C、vibration dampener is faulty D、exhaust back pressure is low
A、inboard diesel engine B、outboard diesel engine C、outboard gasoline engine D、inboard gasoline engine
A、immediately open all crankcase relief ports B、increase crankcase exhauster speed to draw cool air into the engine C、allow the engine to cool naturally D、increase crank case scavenge air to remove unburned gases
A、Slow speed diesel engines B、Medium-speed diesel engines C、Steam engines D、Gasoline engines
A、place standby cooler in operation B、reduce engine load C、check thermostatic valve D、clean sea water strainer
A、too light of a load B、injection timing is too early C、overloading of the engine D、too low of a compression ratio