When fuel enters the crankcase of a diesel engine, it （）
A: dilutes the lube oil and reduces its viscosity
B: forms sulfuric acid in the lube oil
C: causes pitting and failure of the bearings
D: causes sludge deposits on valve stem
A: dilutes the lube oil and reduces its viscosity
B: forms sulfuric acid in the lube oil
C: causes pitting and failure of the bearings
D: causes sludge deposits on valve stem
举一反三
- Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（） A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity
- For a main diesel engine the lube oil in the bearings is drawn from （）， usually located in the bedplate.
- A decrease in the flash point of diesel engine lube oil indicates the lube oil has become （）.
- Before starting a diesel engine that has an engine driven lube oil pump， the engineer should （）.
- The quality of the fuel oil and lube oil （）， Im afraid.