Physics · Applied Mechanics
In a dry sump lubrication system of an internal combustion engine, how is oil returned from the oil pan to the external storage tank?
- 1Gravity drains oil directly to the storage tank.
- 2Oil remains in the engine block indefinitely.
- 3A scavenge pump actively pumps oil back.✓
- 4Centrifugal force separates oil from air.
Correct answer
A scavenge pump actively pumps oil back.
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