Engine: Expired / General Subjects

1. A The bearing is maintained at a level where the shaft is half-submerged in oil.
2. B The bearing is maintained at any level that guarantees that the shaft is partially submerged in oil.
3. C The bearing is maintained in a flooded state where the shaft is completely submerged in oil.
4. D The bearing is maintained at a level below the shaft, but high enough so that the ring dips into the oil.

Tip: press A-D to answer