General Studies · IC Engine Lubrication System
Which formulation type provides long-term protective film barriers analogous to a defensive coating to shield internal engine metal components against oxidation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Anti-foaming silicones
- 2Viscosity index improvers
- 3Rust and oxidation inhibitors✓
- 4Pour point depressants
Correct answer
Rust and oxidation inhibitors
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