Detergent is added as an additive in engine lubricating oil to
A. Reduce deposit formation
B. Keep contaminants in suspension
C. Increase oxidation stability
D. Prevent rusting
Answer: Option A
Related Questions on Petroleum Refinery Engineering
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
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