我
- A.less clearance
- B.dirty lube oil
- C.overload
- D.bearing wear
- A.120°apart
- B.160°apart
- C.180°apart
- D.360°apart
- A.bearing knocks
- B.dropping of pressure of LO
- C.noises
- D.all the above
- A.degree of cylinder air turbulence
- B.firing pressure in the engine
- C.quality of fuel to be injected
- D.duration of the ignition delay period
- A.An air pump
- B.A compressor
- C.A fuel pump
- D.A priming
- A.the bearing near to the diesel engine
- B.the intermediate bearing near to the thrust bearing
- C.the intermediate bearing near to the sterntube
- D.the bearing located at the middle of the diesel engine and the sterntube
- A.Voltage
- B.Current
- C.Resistance
- D.Inductance
- A.programs
- B.progress
- C.members
- D.measures
- A.dispersant/detergent
- B.detergent/dispersant
- C.dispersant/dispersant
- D.detergent/detergent
- A.decrease the time required between cleanings
- B.removes all large and small foreign objects
- C.ensure a positive flow of oil at all times
- D.ensure that all lube oil has been treated twice
