Engine : Motor Plants and Auxiliary Boilers - Question 2005 - Total Questions: 13220 | « Previous Question | |
| Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varnish to form on the engine parts? | |
| A | Flash point improvers |
| B | Pour point improvers |
| C | Inhibitors |
| D | Foam suppressors |
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