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- Designated Duty Engineer (Motor-Gas Turbine Plants (1000/4000 HP)) »
- Q632 - Gas Turbine Plants
42. How is the lube oil supplied to each bearing in a gas turbine engine controlled?
Lube oil flow to each bearing is controlled by a calibrated orifice, which meters the oil based on orifice size and pressure differential, ensuring each bearing receives a predetermined flow rate independent of the lube oil pump or regulating valve functions.
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