Which is NOT a primary role of engine oil?
Lubricates engine parts
Detects engine wear
Reduces deposit formation
Cools engine during operation



Answer :

Final answer:

Engine oil primarily lubricates parts, reduces deposit formation, and aids in cooling the engine.


Explanation:

In an engine, engine oil primarily serves three roles:

  1. Lubricates engine parts: Oil forms a film between moving parts to reduce friction.
  2. Reduces deposit formation: Oil helps maintain engine cleanliness by preventing deposits.
  3. Cools engine during operation: Oil aids in heat transfer from engine components.

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