Engine : Motor Plants and Auxiliary Boilers - 408/947
|
|---|
| « Previous Question |
| In a normally operating diesel engine, the main source of lubricating oil contamination in the crankcase is a result of the __________. |
| A) metal particles loosened by wear |
| B) air when no air cleaners are used |
| C) condensation of water vapors |
| D) combustion by-products removed from the cylinder walls |
loading answer...
| Comments |
|---|
| There are no comments for this question. |