Engine : Gas Turbines - 172/277
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| On a gas turbine propulsion vessel, you notice a slow but steady increase in gas turbine vibration and specific fuel consumption as the voyage has progressed. What would be a good maintenance technique to use to correct these increases? |
| A) Secure the engine and water wash the compressor off-line. |
| B) Increase the Variable Stator Vane setting to supply more air to the combustor. |
| C) Water wash the power turbine on-line. |
| D) Increase gas generator RPM to a more efficient setting. |
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